124-402: View-Master is the trademark name of a line of special-format stereoscopes and corresponding View-Master "reels", which are thin cardboard disks containing seven Stereoscopic 3-D pairs of small transparent color photographs on film. It was originally manufactured and sold by Sawyer's . The View-Master system was introduced in 1939, four years after the advent of Kodachrome color film made
248-659: A Neutrality Pact in April 1941, and Japan adopted the doctrine of Nanshin-ron , promoted by the Navy, which took its focus southward and eventually led to war with the United States and the Western Allies. In Europe, Germany and Italy were becoming more aggressive. In March 1938, Germany annexed Austria , again provoking little response from other European powers. Encouraged, Hitler began pressing German claims on
372-578: A cautious French probe into the Saarland . The Western Allies also began a naval blockade of Germany , which aimed to damage the country's economy and war effort. Germany responded by ordering U-boat warfare against Allied merchant and warships, which would later escalate into the Battle of the Atlantic . On 8 September, German troops reached the suburbs of Warsaw . The Polish counter-offensive to
496-544: A 25-volume atlas of human anatomy using the View-Master system. View-Master produced custom reels for commercial customers to show 3-D images of products and services to potential clients. For example, in the early 1990s, Canadian restaurant chain East Side Mario's used a View-Master reel as their dessert menu. Among the newest View-Master products are a Discovery Channel View-Master, the new Virtual Viewer,
620-454: A business (Sawyer's) worth about $ 58,000.00 and Western Photo Supply Co. owning the buildings, worth about $ 30,000.00. The above figures were for the total business and buildings owned by the Kellys, Graves, Mayers and Meyers. In 1946, we had already grown a lot from 1939, and Sawyer's made a lease with Western Photo Supply Co., they to build and lease two new buildings to Sawyer's, in addition to
744-406: A century and there are still companies making them in limited production currently. Multiple view stereoscopes allow viewing multiple stereoscopic images in sequence by turning a knob, crank, or pushing down a lever. The first design was patented by Antoine Claudet in 1855, but the design of Alexander Beckers from 1857 formed the basis for many revolving stereoscopes that were manufactured from
868-565: A collaboration with Google to produce a new version of View-Master called the View-Master Virtual Reality Viewer, based on virtual reality using smartphones . The new View-Master is an implementation of the Google Cardboard VR platform, and is accompanied by a mobile app that was built using its SDK . Content is displayed on a smartphone screen; the phone itself is inserted into the back of
992-461: A famous picture of Queen Victoria that was displayed at The Great Exhibition. Almost overnight a 3D industry developed and 250,000 stereoscopes were produced and a great number of stereoviews , stereo cards , stereo pairs , or stereographs were sold in a short time. Stereographers were sent throughout the world to capture views for the new medium and feed the demand for 3D images. Cards were printed with these views often with explanatory text when
1116-434: A lens that makes the image seen through it appear larger and more distant and usually also shifts its apparent horizontal position, so that for a person with normal binocular depth perception the edges of the two images seemingly fuse into one "stereo window". In current practice, the images are prepared so that the scene appears to be beyond this virtual window, through which objects are sometimes allowed to protrude, but this
1240-928: A more secure latch for the phone compartment, and also adds focal adjustment and a headphone port. Both editions of the View-Master VR were discontinued in November 2019, and the Experience packs can no longer be installed by new users. In 2019, Mattel partnered with MGM to announce an upcoming feature film based on the View-Master. The project will be co-piloted by Robbie Brenner of Mattel's Films division and MGM's Cassidy Lange. There have been some 25 viewer models, thousands of titles, and 1.5 billion reels produced. The basic design remained intact for reels and internal mechanisms, despite its long history and many changes in models and materials, ensuring that every reel will work in every model. In 1999, View-Master
1364-450: A photo-finishing business there, and bought into Sawyer's Photo Finishing Service in 1919 with the help of his father August Mayer, his fiancée Eva McAnulty, and her sister Vi McAnulty. Edwin described how he started the business in a letter dated April 1, 1954: "Suffice to say that in 1919, what little it was, was purchased with borrowed ($ 3,500) money from Dad, aided by about $ 1,600 in insurance money Eva got when her father died and which
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#17327811919641488-524: A pretext to initiate the invasion. The first German attack of the war came against the Polish defences at Westerplatte . The United Kingdom responded with an ultimatum for Germany to cease military operations, and on 3 September, after the ultimatum was ignored, Britain and France declared war on Germany. During the Phoney War period, the alliance provided no direct military support to Poland, outside of
1612-781: A pretext to worsen relations. On 29 August, Hitler demanded that a Polish plenipotentiary immediately travel to Berlin to negotiate the handover of Danzig , and to allow a plebiscite in the Polish Corridor in which the German minority would vote on secession. The Poles refused to comply with the German demands, and on the night of 30–31 August in a confrontational meeting with the British ambassador Nevile Henderson , Ribbentrop declared that Germany considered its claims rejected. On 1 September 1939, Germany invaded Poland after having staged several false flag border incidents as
1736-548: A reduction in size, creating hand-held devices, which became known as Brewster Stereoscopes, much admired by Queen Victoria when they were demonstrated at the Great Exhibition of 1851. Brewster was unable to find in Britain an instrument maker capable of working with his design, so he took it to France, where the stereoscope was improved by Jules Duboscq who made stereoscopes and stereoscopic daguerreotypes , and
1860-475: A secret protocol that defined German and Soviet "spheres of influence" (western Poland and Lithuania for Germany; eastern Poland , Finland, Estonia , Latvia and Bessarabia for the Soviet Union), and raised the question of continuing Polish independence. The pact neutralised the possibility of Soviet opposition to a campaign against Poland and assured that Germany would not have to face the prospect of
1984-553: A series of TV commercials for the GAF View-Master. From 1970 to around 1997, there were versions of Talking View-Masters, which included audio technology with the reels with three major designs with increasing sophistication. In the early 1970s, GAF introduced the View-Master Rear Screen Projector, a table-top projector that displayed images from picture wheels. In 1980, View-Master released
2108-482: A shopping center. After moving to the new plant, Mayer leased the old Sawyer's building on 20th Place to Oregon Television, Inc., KPTV, Channel 12. In 1951, Sawyer's purchased Tru-Vue , the main competitor of View-Master. The takeover eliminated the main rival and also gained Tru-Vue's licensing rights to Walt Disney Studios . Sawyer's capitalized on the opportunity and produced numerous reels featuring Disney characters. The takeover paid off further in 1955 with reels of
2232-718: A similar pact and rejected ceding part of its territory to the Soviet Union. The Soviet Union invaded Finland in November 1939, and was subsequently expelled from the League of Nations for this crime of aggression. Despite overwhelming numerical superiority, Soviet military success during the Winter War was modest, and the Finno-Soviet war ended in March 1940 with some Finnish concessions of territory . In June 1940,
2356-404: A tripod. He designed a machine that mounted the tiny pieces of Kodachrome color transparency film into reels made from heavy paper stock. A special viewer was also designed and produced. He had the idea of updating the old-fashioned stereoscope by using the new Kodachrome 16-mm color film, which had recently become available. A View-Master reel holds 14 film transparencies in seven pairs, making up
2480-531: A two-front war, as it had in World War I. Immediately afterwards, Hitler ordered the attack to proceed on 26 August, but upon hearing that the United Kingdom had concluded a formal mutual assistance pact with Poland and that Italy would maintain neutrality, he decided to delay it. In response to British requests for direct negotiations to avoid war, Germany made demands on Poland, which served as
2604-434: A wooden box 18 inches (46 cm) long, 7 inches (18 cm) wide, and 4 inches (10 cm) high, which was used to view drawn landscape transparencies, since photography had yet to become widespread. Brewster's personal contribution was the suggestion to use lenses for uniting the dissimilar pictures in 1849; and accordingly the lenticular stereoscope (lens-based) may fairly be said to be his invention. This allowed
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#17327811919642728-425: Is limited in the size of the image that may be used. A more complex stereoscope uses a pair of horizontal periscope -like devices, allowing the use of larger images that can present more detailed information in a wider field of view. The stereoscope is essentially an instrument in which two photographs of the same object, taken from slightly different angles, are simultaneously presented, one to each eye. This recreates
2852-604: The Anglo-German Naval Agreement and the German–Polish declaration of non-aggression . The situation became a crisis in late August as German troops continued to mobilise against the Polish border. On 23 August the Soviet Union signed a non-aggression pact with Germany, after tripartite negotiations for a military alliance between France, the United Kingdom, and Soviet Union had stalled. This pact had
2976-689: The British Empire , with fighting in the Balkans , Mediterranean, and Middle East , the aerial Battle of Britain and the Blitz , and naval Battle of the Atlantic . Through a series of campaigns and treaties, Germany took control of much of continental Europe and formed the Axis alliance with Italy , Japan , and other countries. In June 1941, Germany led the European Axis in an invasion of
3100-512: The Discovery Channel View-Master Projector and Telescope, and the View-Master 3-D Pocket Viewer, which feature images of popular performers in concert and backstage. Stereoscope A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image. A typical stereoscope provides each eye with
3224-581: The German Revolution of 1918–1919 , and a democratic government, later known as the Weimar Republic , was created. The interwar period saw strife between supporters of the new republic and hardline opponents on both the political right and left. Italy, as an Entente ally, had made some post-war territorial gains; however, Italian nationalists were angered that the promises made by the United Kingdom and France to secure Italian entrance into
3348-853: The German invasion of Poland and the United Kingdom and France 's declaration of war on Germany two days later on 3 September 1939. Dates for the beginning of the Pacific War include the start of the Second Sino-Japanese War on 7 July 1937, or the earlier Japanese invasion of Manchuria , on 19 September 1931. Others follow the British historian A. J. P. Taylor , who stated that the Sino-Japanese War and war in Europe and its colonies occurred simultaneously, and
3472-576: The Italian mainland , and Allied offensives in the Pacific—cost the Axis powers their initiative and forced them into strategic retreat on all fronts. In 1944, the Western Allies invaded German-occupied France at Normandy , while the Soviet Union regained its territorial losses and pushed Germany and its allies westward. At the same time, Japan suffered reversals in mainland Asia, while the Allies crippled
3596-553: The Japanese Navy and captured key islands . The war in Europe concluded with the liberation of German-occupied territories ; the invasion of Germany by the Western Allies and the Soviet Union, culminating in the fall of Berlin to Soviet troops; Hitler's suicide ; and the German unconditional surrender on 8 May 1945 . Following the refusal of Japan to surrender on the terms of the Potsdam Declaration ,
3720-695: The League of Nations as a force to preserve peace. Both Italy and Ethiopia were member nations, but the League did little when the former clearly violated Article X of the League's Covenant . The United Kingdom and France supported imposing sanctions on Italy for the invasion, but the sanctions were not fully enforced and failed to end the Italian invasion. Italy subsequently dropped its objections to Germany's goal of absorbing Austria . When civil war broke out in Spain, Hitler and Mussolini lent military support to
3844-731: The Nationalist rebels , led by General Francisco Franco . Italy supported the Nationalists to a greater extent than the Nazis: Mussolini sent more than 70,000 ground troops, 6,000 aviation personnel, and 720 aircraft to Spain. The Soviet Union supported the existing government of the Spanish Republic . More than 30,000 foreign volunteers, known as the International Brigades , also fought against
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3968-690: The Rome–Berlin Axis . A month later, Germany and Japan signed the Anti-Comintern Pact , which Italy joined the following year. The Kuomintang (KMT) party in China launched a unification campaign against regional warlords and nominally unified China in the mid-1920s, but was soon embroiled in a civil war against its former Chinese Communist Party (CCP) allies and new regional warlords . In 1931, an increasingly militaristic Empire of Japan , which had long sought influence in China as
4092-590: The Soviet–Japanese Neutrality Pact in April 1941. By contrast, the Germans were steadily making preparations for an attack on the Soviet Union, massing forces on the Soviet border. Hitler believed that the United Kingdom's refusal to end the war was based on the hope that the United States and the Soviet Union would enter the war against Germany sooner or later. On 31 July 1940, Hitler decided that
4216-598: The Stresa Front in April 1935 in order to contain Germany, a key step towards military globalisation ; however, that June, the United Kingdom made an independent naval agreement with Germany, easing prior restrictions. The Soviet Union, concerned by Germany's goals of capturing vast areas of Eastern Europe , drafted a treaty of mutual assistance with France. Before taking effect, though, the Franco-Soviet pact
4340-709: The Sudetenland , an area of Czechoslovakia with a predominantly ethnic German population. Soon the United Kingdom and France followed the appeasement policy of British Prime Minister Neville Chamberlain and conceded this territory to Germany in the Munich Agreement , which was made against the wishes of the Czechoslovak government, in exchange for a promise of no further territorial demands. Soon afterwards, Germany and Italy forced Czechoslovakia to cede additional territory to Hungary, and Poland annexed
4464-707: The Tanggu Truce was signed in 1933. Thereafter, Chinese volunteer forces continued the resistance to Japanese aggression in Manchuria , and Chahar and Suiyuan . After the 1936 Xi'an Incident , the Kuomintang and CCP forces agreed on a ceasefire to present a united front to oppose Japan. The Second Italo-Ethiopian War was a brief colonial war that began in October 1935 and ended in May 1936. The war began with
4588-579: The Trans-Olza region of Czechoslovakia. Although all of Germany's stated demands had been satisfied by the agreement, privately Hitler was furious that British interference had prevented him from seizing all of Czechoslovakia in one operation. In subsequent speeches Hitler attacked British and Jewish "war-mongers" and in January 1939 secretly ordered a major build-up of the German navy to challenge British naval supremacy. In March 1939, Germany invaded
4712-558: The Treaty of Craiova . The loss of one-third of Romania's 1939 territory caused a coup against King Carol II, turning Romania into a fascist dictatorship under Marshal Ion Antonescu , with a course set towards the Axis in the hopes of a German guarantee. Meanwhile, German-Soviet political relations and economic co-operation gradually stalled, and both states began preparations for war. In April 1940, Germany invaded Denmark and Norway to protect shipments of iron ore from Sweden , which
4836-749: The United Kingdom and France to declare war on Germany. Poland was divided between Germany and the Soviet Union under the Molotov–Ribbentrop Pact , in which they had agreed on " spheres of influence " in Eastern Europe. In 1940, the Soviets annexed the Baltic states and parts of Finland and Romania . After the fall of France in June 1940, the war continued mainly between Germany and
4960-709: The Wehrmacht rapidly advanced to the Channel and cut off the Allied forces in Belgium, trapping the bulk of the Allied armies in a cauldron on the Franco-Belgian border near Lille. The United Kingdom was able to evacuate a significant number of Allied troops from the continent by early June, although they had to abandon almost all their equipment. On 10 June, Italy invaded France , declaring war on both France and
5084-630: The aftermath of World War I and the rise of fascism in Europe and militarism in Japan . Key events leading up to the war included Japan's invasion of Manchuria , the Spanish Civil War , the outbreak of the Second Sino-Japanese War , and Germany's annexations of Austria and the Sudetenland . World War II is generally considered to have begun on 1 September 1939, when Nazi Germany , under Adolf Hitler , invaded Poland , prompting
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5208-479: The reunification of East and West Germany to take place and resolved most post–World War II issues. No formal peace treaty between Japan and the Soviet Union was ever signed, although the state of war between the two countries was terminated by the Soviet–Japanese Joint Declaration of 1956 , which also restored full diplomatic relations between them. World War I had radically altered
5332-586: The 1850s to the 1930s as a home entertainment medium. Devices such as polarized, anaglyph and shutter glasses which are used to view two actually superimposed or intermingled images, rather than two physically separate images, are not categorized as stereoscopes. The earliest stereoscopes, "both with reflecting mirrors and with refracting prisms", were invented by Sir Charles Wheatstone and constructed for him by optician R. Murray in 1832. Herbert Mayo shortly described Wheatstone's discovery in his book Outlines of Human Physiology (1833) and claimed that Wheatstone
5456-464: The 1860s. The images are placed in holders that are attached to a rotating belt. The belt can usually hold 50 paper card or glass stereoviews, but there are also large floor standing models for 100 or 200 views. A more advanced multiple view stereoscope is only intended for glass slides and was especially popular in France, as the printing of stereo images on glass was a French specialty and popular until
5580-418: The 1930s. Most devices were manufactured in France, but also in Germany by ICA and Ernemann. The glass slides are placed in a bakelite or wooden tray. Turning a crank (or pushing down a lever) will lift a slide from the tray and brings it into viewing position. Turning further will place the slide back in the tray and moves the tray over a rail to select the next slide. The most sophisticated and well known design
5704-466: The Allies were attempting to cut off . Denmark capitulated after six hours , and despite Allied support , Norway was conquered within two months. British discontent over the Norwegian campaign led to the resignation of Prime Minister Neville Chamberlain , who was replaced by Winston Churchill on 10 May 1940. On the same day, Germany launched an offensive against France . To circumvent
5828-534: The Axis war against the Soviet Union, in Romania's case partially to recapture territory ceded to the Soviet Union . In early June 1940, the Italian Regia Aeronautica attacked and besieged Malta , a British possession. From late summer to early autumn, Italy conquered British Somaliland and made an incursion into British-held Egypt . In October, Italy attacked Greece , but the attack
5952-421: The Blitz , but largely ended in May 1941 after failing to significantly disrupt the British war effort. Using newly captured French ports, the German Navy enjoyed success against an over-extended Royal Navy , using U-boats against British shipping in the Atlantic . The British Home Fleet scored a significant victory on 27 May 1941 by sinking the German battleship Bismarck . In November 1939,
6076-405: The European Axis declaring war on the US. Japan conquered much of coastal China and Southeast Asia , but its advances in the Pacific were halted in mid-1942 after its defeat in the naval Battle of Midway ; Germany and Italy were defeated in North Africa and at Stalingrad in the Soviet Union. Key setbacks in 1943—including German defeats on the Eastern Front, the Allied invasions of Sicily and
6200-410: The French possessions of Syria and Lebanon , assisted by the Free French . With the situation in Europe and Asia relatively stable, Germany, Japan, and the Soviet Union made preparations for war. With the Soviets wary of mounting tensions with Germany, and the Japanese planning to take advantage of the European War by seizing resource-rich European possessions in Southeast Asia , the two powers signed
6324-426: The Germans, and the last large operational unit of the Polish Army surrendered on 6 October . Despite the military defeat, Poland never surrendered; instead, it formed the Polish government-in-exile and a clandestine state apparatus remained in occupied Poland. A significant part of Polish military personnel evacuated to Romania and Latvia; many of them later fought against the Axis in other theatres of
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#17327811919646448-450: The Nationalists. Both Germany and the Soviet Union used this proxy war as an opportunity to test in combat their most advanced weapons and tactics. The Nationalists won the civil war in April 1939; Franco, now dictator, remained officially neutral during World War II but generally favoured the Axis . His greatest collaboration with Germany was the sending of volunteers to fight on the Eastern Front . In July 1937, Japan captured
6572-452: The Royal Navy putting three Italian battleships out of commission after a carrier attack at Taranto , and neutralising several more warships at the Battle of Cape Matapan . Italian defeats prompted Germany to deploy an expeditionary force to North Africa; at the end of March 1941, Rommel 's Afrika Korps launched an offensive which drove back Commonwealth forces. In less than a month, Axis forces advanced to western Egypt and besieged
6696-400: The Show Beam Projector, a toy that combined the company's stereoscopic images and flashlight technology to produce a portable hand-held projector. The Show Beam used small film cartridges that were plugged into the side of the toy. Each cartridge contained 30 full-color 2D images. In 1981, GAF sold View-Master to a group of investors headed by Arnold Thaler, and the company was reconstituted as
6820-423: The Soviet Union occupied the entire territories of Estonia, Latvia and Lithuania, as well as the Romanian regions of Bessarabia, Northern Bukovina, and the Hertsa region . In August 1940, Hitler imposed the Second Vienna Award on Romania which led to the transfer of Northern Transylvania to Hungary. In September 1940, Bulgaria demanded Southern Dobruja from Romania with German and Italian support, leading to
6944-421: The Soviet Union , opening the Eastern Front and initially making large territorial gains. Japan aimed to dominate East Asia and the Asia-Pacific , and by 1937 was at war with the Republic of China . In December 1941, Japan attacked American and British territories in Southeast Asia and the Central Pacific , including Pearl Harbor in Hawaii , which resulted in the US and the UK declaring war against Japan, and
7068-418: The Soviet Union and Mongolia . The Japanese doctrine of Hokushin-ron , which emphasised Japan's expansion northward, was favoured by the Imperial Army during this time. This policy would prove difficult to maintain in light of the Japanese defeat at Khalkin Gol in 1939, the ongoing Second Sino-Japanese War and ally Nazi Germany pursuing neutrality with the Soviets. Japan and the Soviet Union eventually signed
7192-575: The Soviet Union should be eliminated and aimed for the conquest of Ukraine , the Baltic states and Byelorussia . However, other senior German officials like Ribbentrop saw an opportunity to create a Euro-Asian bloc against the British Empire by inviting the Soviet Union into the Tripartite Pact. In November 1940, negotiations took place to determine if the Soviet Union would join the pact. The Soviets showed some interest but asked for concessions from Finland, Bulgaria, Turkey, and Japan that Germany considered unacceptable. On 18 December 1940, Hitler issued
7316-402: The US dropped the first atomic bombs on Hiroshima and Nagasaki on 6 and 9 August. Faced with an imminent invasion of the Japanese archipelago , the possibility of further atomic bombings, and the Soviet declaration of war against Japan and its invasion of Manchuria , Japan announced its unconditional surrender on 15 August and signed a surrender document on 2 September 1945 , marking
7440-424: The United Kingdom and France guaranteed their support for Polish independence ; when Italy conquered Albania in April 1939, the same guarantee was extended to the Kingdoms of Romania and Greece . Shortly after the Franco - British pledge to Poland, Germany and Italy formalised their own alliance with the Pact of Steel . Hitler accused the United Kingdom and Poland of trying to "encircle" Germany and renounced
7564-489: The United Kingdom attacked on 3 July in an attempt to prevent its seizure by Germany. The air Battle of Britain began in early July with Luftwaffe attacks on shipping and harbours . The German campaign for air superiority started in August but its failure to defeat RAF Fighter Command forced the indefinite postponement of the proposed German invasion of Britain . The German strategic bombing offensive intensified with night attacks on London and other cities in
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#17327811919647688-401: The United Kingdom. The Germans turned south against the weakened French army, and Paris fell to them on 14 June. Eight days later France signed an armistice with Germany ; it was divided into German and Italian occupation zones , and an unoccupied rump state under the Vichy Regime , which, though officially neutral, was generally aligned with Germany. France kept its fleet, which
7812-473: The United States was assisting China and the Western Allies, and had amended the Neutrality Act to allow "cash and carry" purchases by the Allies. In 1940, following the German capture of Paris, the size of the United States Navy was significantly increased . In September the United States further agreed to a trade of American destroyers for British bases . Still, a large majority of the American public continued to oppose any direct military intervention in
7936-453: The View-Master International Group. In 1985, View-Master entered into the video foray, by starting View-Master Video and teamed up with Warner Bros. Records on a new live-action educational video series produced by Together Again Productions, Kidsongs , designed specifically for the educational market. View-Master International acquired the Ideal Toy Company in 1984 and became known as the View-Master Ideal Group; View-Master Ideal in turn
8060-434: The Yellow River ; this manoeuvre bought time for the Chinese to prepare their defences at Wuhan , but the city was taken by October. Japanese military victories did not bring about the collapse of Chinese resistance that Japan had hoped to achieve; instead, the Chinese government relocated inland to Chongqing and continued the war. In the mid-to-late 1930s, Japanese forces in Manchukuo had sporadic border clashes with
8184-484: The advantage that the two pictures can be very large if desired. Contrary to a common assertion, David Brewster did not invent the stereoscope, as he himself was often at pains to make clear. A rival of Wheatstone, Brewster credited the invention of the device to a Mr. Elliot, a "Teacher of Mathematics" from Edinburgh, who, according to Brewster, conceived of the idea as early as 1823 and, in 1839, constructed "a simple stereoscope without lenses or mirrors", consisting of
8308-405: The capital Nanking in December 1937. After the fall of Nanking, tens or hundreds of thousands of Chinese civilians and disarmed combatants were murdered by the Japanese . In March 1938, Nationalist Chinese forces won their first major victory at Taierzhuang , but then the city of Xuzhou was taken by the Japanese in May. In June 1938, Chinese forces stalled the Japanese advance by flooding
8432-453: The cards were looked at through the double-lensed viewer, sometimes also called a stereopticon , a common misnomer. In 1861 Oliver Wendell Holmes created and deliberately did not patent a handheld, streamlined, much more economical viewer than had been available before. The stereoscope, which dates from the 1850s, consisted of two prismatic lenses and a wooden stand to hold the stereo card. This type of stereoscope remained in production for
8556-403: The conflict well into 1941. In December 1940, Roosevelt accused Hitler of planning world conquest and ruled out any negotiations as useless, calling for the United States to become an " arsenal of democracy " and promoting Lend-Lease programmes of military and humanitarian aid to support the British war effort; Lend-Lease was later extended to the other Allies, including the Soviet Union after it
8680-410: The creation of a " New Roman Empire ". Adolf Hitler , after an unsuccessful attempt to overthrow the German government in 1923, eventually became the Chancellor of Germany in 1933 when Paul von Hindenburg and the Reichstag appointed him. Following Hindenburg's death in 1934, Hitler proclaimed himself Führer of Germany and abolished democracy, espousing a radical, racially motivated revision of
8804-616: The dissolution of the Austro-Hungarian, Ottoman, and Russian Empires. To prevent a future world war, the League of Nations was established in 1920 by the Paris Peace Conference . The organisation's primary goals were to prevent armed conflict through collective security, military, and naval disarmament , as well as settling international disputes through peaceful negotiations and arbitration. Despite strong pacifist sentiment after World War I , irredentist and revanchist nationalism had emerged in several European states. These sentiments were especially marked in Germany because of
8928-582: The end of World War II in 1945. After the development of the View-Master, Sawyer's, Inc. moved into a new building at 735 S.W. 20th Place in downtown Portland. The company also occupied a building next door at 740 S.W. 21st Avenue. Years later, Edwin Mayer and his Sawyer's partners purchased land in Washington County near Progress, Oregon, west of Beaverton, and built a large plant there in about 1951. The plant has since been removed and developed into
9052-712: The end of May completed the German conquest of the Balkans. Partisan warfare subsequently broke out against the Axis occupation of Yugoslavia , which continued until the end of the war. In the Middle East in May, Commonwealth forces quashed an uprising in Iraq which had been supported by German aircraft from bases within Vichy-controlled Syria . Between June and July, British-led forces invaded and occupied
9176-511: The end of the war. World War II changed the political alignment and social structure of the world, and it set the foundation of international relations for the rest of the 20th century and into the 21st century. The United Nations was established to foster international cooperation and prevent conflicts, with the victorious great powers—China, France, the Soviet Union, the UK, and the US—becoming
9300-483: The first of which was the Model G. This change was driven by Sawyer's new president, Bob Brost, who took over in 1959 for then president James Kelly, who became Chairman until his retirement in 1967. The View-Master had been constructed originally from Kodak Tenite plastic and then Bakelite, a hard, sturdy, somewhat heavy plastic. The lightweight thermoplastic became the material of choice under Brost. In 1966, Sawyer's
9424-631: The first step of what its government saw as the country's right to rule Asia , staged the Mukden incident as a pretext to invade Manchuria and establish the puppet state of Manchukuo . China appealed to the League of Nations to stop the Japanese invasion of Manchuria. Japan withdrew from the League of Nations after being condemned for its incursion into Manchuria. The two nations then fought several battles, in Shanghai , Rehe and Hebei , until
9548-864: The former Chinese imperial capital of Peking after instigating the Marco Polo Bridge incident , which culminated in the Japanese campaign to invade all of China. The Soviets quickly signed a non-aggression pact with China to lend materiel support, effectively ending China's prior cooperation with Germany . From September to November, the Japanese attacked Taiyuan , engaged the Kuomintang Army around Xinkou , and fought Communist forces in Pingxingguan . Generalissimo Chiang Kai-shek deployed his best army to defend Shanghai , but after three months of fighting, Shanghai fell. The Japanese continued to push Chinese forces back, capturing
9672-539: The images are viewed. These artifacts compete in the mind resulting in a distraction from the 3D effect, eye strain and headaches. World War II Asia-Pacific Mediterranean and Middle East Other campaigns Coups World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two coalitions: the Allies and the Axis powers . Nearly all
9796-525: The invasion of the Ethiopian Empire (also known as Abyssinia ) by the armed forces of the Kingdom of Italy ( Regno d'Italia ), which was launched from Italian Somaliland and Eritrea . The war resulted in the military occupation of Ethiopia and its annexation into the newly created colony of Italian East Africa ( Africa Orientale Italiana , or AOI); in addition it exposed the weakness of
9920-486: The latch mechanism for securing the phone inside was not tight enough, and that there was no headphone jack access. It was felt that the View-Master VR was "the kind of thing you might grab as a gift for the kids, but if you're curious about VR on your phone, chances are you'll use it as much as they do." In 2016, an updated iteration known as the DLX was released; it features improvements to its compatibility with smaller phones,
10044-404: The mobile phone substitute for stereo cards; these apps can also sense rotation and expand the stereoscope's capacity into that of a full-fledged virtual reality device. The underlying technology is otherwise unchanged from earlier stereoscopes. Several fine arts photographers and graphic artists have and continue to produce original artwork to be viewed using stereoscopes. A simple stereoscope
10168-586: The newly opened Disneyland . Joe Liptak was the artist responsible for most of the Disney and the early Hanna-Barbera reels. In 1952, Sawyer's began its View-Master Personal line, which included the View-Master Personal Stereo Camera for users to make their own View-Master reels. It was successful at first, but the line was discontinued in ten years. This line spawned the Model D viewer, View-Master's highest-quality viewer, which
10292-502: The permanent members of its security council . The Soviet Union and the United States emerged as rival superpowers , setting the stage for the Cold War . In the wake of European devastation, the influence of its great powers waned, triggering the decolonisation of Africa and Asia . Most countries whose industries had been damaged moved towards economic recovery and expansion . World War II began in Europe on 1 September 1939 with
10416-589: The political European map with the defeat of the Central Powers —including Austria-Hungary , Germany , Bulgaria , and the Ottoman Empire —and the 1917 Bolshevik seizure of power in Russia , which led to the founding of the Soviet Union. Meanwhile, the victorious Allies of World War I , such as France, Belgium, Italy, Romania, and Greece, gained territory, and new nation-states were created out of
10540-599: The port of Tobruk . By late March 1941, Bulgaria and Yugoslavia signed the Tripartite Pact ; however, the Yugoslav government was overthrown two days later by pro-British nationalists. Germany and Italy responded with simultaneous invasions of both Yugoslavia and Greece , commencing on 6 April 1941; both nations were forced to surrender within the month. The airborne invasion of the Greek island of Crete at
10664-722: The remainder of Czechoslovakia and subsequently split it into the German Protectorate of Bohemia and Moravia and a pro-German client state , the Slovak Republic . Hitler also delivered an ultimatum to Lithuania on 20 March 1939, forcing the concession of the Klaipėda Region , formerly the German Memelland . Greatly alarmed and with Hitler making further demands on the Free City of Danzig ,
10788-444: The retail sales of View-Master viewers and reels. The patent on the viewing device was issued in 1940, on what came to be called the Model A viewer. Within a very short time, the View-Master took over the postcard business at Sawyer's. Ed Mayer gave details of the company's expansion in a letter dated April 1, 1954: In 1939, 20 years after starting the business, we had, by dint of hard work and long hours and frugal living, accumulated
10912-403: The same object are presented so that each eye sees only the image designed for it, but apparently in the same location, the brain will fuse the two and accept them as a view of one solid three-dimensional object. Wheatstone's stereoscope was introduced in the year before the first practical photographic processes became available, so initially drawings were used. The mirror type of stereoscope has
11036-494: The scene in reality, making an accurate simulation of the natural viewing experience impossible and tending to cause eye strain and fatigue. Although more recent devices such as Realist-format 3D slide viewers , the View-Master , or virtual reality headsets are also stereoscopes, the word is now most commonly associated with viewers designed for the standard-format stereo cards that enjoyed several waves of popularity from
11160-462: The seven stereoscopic images. The components of each pair are viewed simultaneously, one by each eye, thus simulating binocular depth perception. According to a 1960 court document, the Gruber-Sawyer partner venture began from that first meeting in 1938. Thereafter, Ed Mayer negotiated with Gruber while production methods and some marketing were developed. After three years, a formal agreement
11284-410: The significant territorial, colonial, and financial losses imposed by the Treaty of Versailles . Under the treaty, Germany lost around 13 percent of its home territory and all its overseas possessions , while German annexation of other states was prohibited, reparations were imposed, and limits were placed on the size and capability of the country's armed forces . The German Empire was dissolved in
11408-498: The start or prelude to World War II. The exact date of the war's end also is not universally agreed upon. It was generally accepted at the time that the war ended with the armistice of 15 August 1945 ( V-J Day ), rather than with the formal surrender of Japan on 2 September 1945, which officially ended the war in Asia . A peace treaty between Japan and the Allies was signed in 1951. A 1990 treaty regarding Germany's future allowed
11532-426: The stereoscope has a large vertically mounted drum containing a wheel upon which are mounted a series of stereographic cards which form a moving picture. The cards are restrained by a gate and when sufficient force is available to bend the card it slips past the gate and into view, obscuring the preceding picture. These coin-enabled devices were found in arcades in the late 19th and early 20th century and were operated by
11656-593: The strong Maginot Line fortifications on the Franco-German border, Germany directed its attack at the neutral nations of Belgium , the Netherlands , and Luxembourg . The Germans carried out a flanking manoeuvre through the Ardennes region, which was mistakenly perceived by the Allies as an impenetrable natural barrier against armoured vehicles. By successfully implementing new Blitzkrieg tactics,
11780-722: The toxic chemical trichloroethylene (TCE). The plant was shut down in 2001. In March 2009, the Fisher-Price division of toy maker Mattel announced that they had stopped production in December 2008 of the scenic reels depicting tourist attractions. These reels of picturesque scenes and landscape scenery were descendants of the first View-Master reels sold in 1939. Fisher-Price announced they would continue to produce reels of animated characters. In late 2009, Alpha-cine announced it would take up scenic reel production under an agreement with Fisher-Price. In February 2015, Mattel announced
11904-518: The two wars became World War II in 1941. Other proposed starting dates for World War II include the Italian invasion of Abyssinia on 3 October 1935. The British historian Antony Beevor views the beginning of World War II as the Battles of Khalkhin Gol fought between Japan and the forces of Mongolia and the Soviet Union from May to September 1939. Others view the Spanish Civil War as
12028-417: The two we already had. At this point, Sawyer's also decided to change its structure from a partnership to a corporation, for various good reasons, one of which was to permit our children to participate in the stock ownership. In the 1940s, the United States military recognized the potential for using View-Master products for personnel training, purchasing 100,000 viewers and nearly six million reels from 1942 to
12152-481: The two-dimensional cards. The company took the first steps towards developing the View-Master after Edwin Mayer and Graves met with William Gruber, an organ maker of German origin trained by Welte & Sons and an avid photographer living in Portland. Mayer and Gruber had both developed devices for viewing stereo images, but Gruber had made up a stereo imaging rig out of two Kodak Bantam Specials mounted together on
12276-410: The unit. Instead of being inserted directly into the View-Master, reels are scanned using an augmented reality interface which enables access to content from the reel, such as 360-degree panoramas, 3D models, and minigames. Greenbot considered the View-Master to be the best low-cost Cardboard viewer, citing its build quality and comfort over models actually constructed from cardboard, but noting that
12400-555: The use of small, high-quality photographic color images practical. Tourist attraction and travel views predominated in View-Master's early lists of reels, most of which were meant to be of interest to users of all ages. Most current View-Master reels are intended for children. Edwin Eugene Mayer worked as a pharmacist at Owl Drug store in downtown Portland, Oregon , after serving in the U.S. Army in World War I . He built up
12524-483: The viewer using a hand crank. These devices can still be seen and operated in some museums specializing in arcade equipment. The stereoscope offers several advantages: A stereo transparency viewer is a type of stereoscope that offers similar advantages, e.g. the View-Master . Disadvantages of stereo cards, slides or any other hard copy or print are that the two images are likely to receive differing wear, scratches and other decay. This results in stereo artifacts when
12648-513: The war were not fulfilled in the peace settlement. From 1922 to 1925, the Fascist movement led by Benito Mussolini seized power in Italy with a nationalist, totalitarian , and class collaborationist agenda that abolished representative democracy, repressed socialist, left-wing, and liberal forces, and pursued an aggressive expansionist foreign policy aimed at making Italy a world power, promising
12772-475: The war. Germany annexed western Poland and occupied central Poland ; the Soviet Union annexed eastern Poland ; small shares of Polish territory were transferred to Lithuania and Slovakia . On 6 October, Hitler made a public peace overture to the United Kingdom and France but said that the future of Poland was to be determined exclusively by Germany and the Soviet Union. The proposal was rejected and Hitler ordered an immediate offensive against France, which
12896-447: The way which in natural vision, each eye is seeing the object from a slightly different angle, since they are separated by several inches, which is what gives humans natural depth perception. Each picture is focused by a separate lens, and by showing each eye a photograph taken several inches apart from each other and focused on the same point, it recreates the natural effect of seeing things in three dimensions. A moving image extension of
13020-512: The west halted the German advance for several days, but it was outflanked and encircled by the Wehrmacht . Remnants of the Polish army broke through to besieged Warsaw . On 17 September 1939, two days after signing a cease-fire with Japan , the Soviet Union invaded Poland under the supposed pretext that the Polish state had ceased to exist. On 27 September, the Warsaw garrison surrendered to
13144-707: The world order , and soon began a massive rearmament campaign . France, seeking to secure its alliance with Italy, allowed Italy a free hand in Ethiopia , which Italy desired as a colonial possession. The situation was aggravated in early 1935 when the Territory of the Saar Basin was legally reunited with Germany, and Hitler repudiated the Treaty of Versailles, accelerated his rearmament programme, and introduced conscription. The United Kingdom, France and Italy formed
13268-439: The world's countries —including all the great powers —participated, with many investing all available economic, industrial, and scientific capabilities in pursuit of total war , blurring the distinction between military and civilian resources. Tanks and aircraft played major roles , with the latter enabling the strategic bombing of population centres and delivery of the only two nuclear weapons ever used in war. World War II
13392-614: Was invaded by Germany. The United States started strategic planning to prepare for a full-scale offensive against Germany. At the end of September 1940, the Tripartite Pact formally united Japan, Italy, and Germany as the Axis powers . The Tripartite Pact stipulated that any country—with the exception of the Soviet Union—that attacked any Axis Power would be forced to go to war against all three. The Axis expanded in November 1940 when Hungary , Slovakia , and Romania joined. Romania and Hungary later made major contributions to
13516-574: Was about 4 inches high, 5 inches wide, and 4 inches deep. The Model F was introduced in 1958. It used C-cell batteries to power an internal lighting source. Industrial designer Charles "Chuck" Harrison led the team designing the Model F View-Master. Fifty years later in 2008, Harrison won the Cooper-Hewitt Lifetime Achievement Award. In 1962, the Bakelite models were replaced with lighter plastic versions,
13640-519: Was about to publish an essay about it. It was only one of many projects of Wheatstone's and he first presented his findings on 21 June 1838 to the Royal College of London. In this presentation he used a pair of mirrors at 45 degree angles to the user's eyes, each reflecting a picture located off to the side. It demonstrated the importance of binocular depth perception by showing that when two pictures simulating left-eye and right-eye views of
13764-583: Was acquired by the General Aniline & Film (GAF) Corporation, and became a wholly owned subsidiary. Under GAF's ownership, View-Master reels began to feature fewer scenic and more child-friendly subjects, such as toys and cartoons. Television series were featured on View-Master reels, such as Doctor Who (sold only in the U.K.), Rowan & Martin's Laugh-In , Star Trek , The Man from U.N.C.L.E. , Family Affair , Here's Lucy , and The Beverly Hillbillies . Actor Henry Fonda appeared in
13888-477: Was available until the early 1970s, and the Stereomatic 500, View-Master's only 3D projector. The other projectors were 2D and used only one of the images. The Model E was introduced in 1955 with a more modern design, big ivory buttons on the picture changer levers, and a large "V" slot on top for easier reel insertion. It was released in brown and black in the United States, and some other colors elsewhere. It
14012-589: Was entered into on February 24, 1942, between Gruber and Sawyer partners, doing business as Sawyer's. Ed Mayer and people within the Sawyer's organization were uncertain what to call their new product, but they eventually came up with the name "View-Master". The View-Master brand name eventually came to be recognized by 65 percent of the world's population, but William Gruber disliked the name which Mayer gave it, thinking that it sounded too much like Toast-Master, Mix-Master, or some other kitchen appliance. The View-Master
14136-571: Was introduced at the 1939 New York World's Fair , marked "Patent Applied For". It was intended as an alternative to the scenic postcard , and was originally sold at photography shops, stationery stores, and scenic-attraction gift shops. The main subjects of View-Master reels were Carlsbad Caverns and the Grand Canyon . The View-Master was marketed through Ed Mayer's photo-finishing, postcard, and greeting card company Sawyer's Service, Inc., known eventually as Sawyer's, Inc. The partnership led to
14260-446: Was left in permanently, and $ 1,600 borrowed from Vi and repaid, along with Dad's notes, within a few years." As the business grew, Ed Mayer incorporated in about 1926, taking on partners Harold and Beulth F. Graves, Thomas and Pauline Meyer, and Augusta and Raymond F. Kelly, renaming the business Sawyer Service, Inc. The company relocated to a large two-story building at 181 Ella St., near Morrison Street in Portland, Oregon. The company
14384-473: Was not always the custom. A divider or other view-limiting feature is usually provided to prevent each eye from being distracted by also seeing the image intended for the other eye. Most people can, with practice and some effort, view stereoscopic image pairs in 3D without the aid of a stereoscope, but the physiological depth cues resulting from the unnatural combination of eye convergence and focus required will be unlike those experienced when actually viewing
14508-695: Was part of the second year of inductees added to the National Toy Hall of Fame . Reels have been produced for Disneyland , many TV shows (such as The Flying Nun , Lost in Space , and The Munsters ), blockbuster movies (such as The Poseidon Adventure , E.T. the Extra-Terrestrial , and Jurassic Park ), and the U.S. military (for airplane and ship identification as well as range estimation). David L. Bassett , an expert on anatomy and dissection, collaborated with Gruber to create
14632-456: Was postponed until the spring of 1940 due to bad weather. After the outbreak of war in Poland, Stalin threatened Estonia , Latvia , and Lithuania with military invasion, forcing the three Baltic countries to sign pacts allowing the creation of Soviet military bases in these countries; in October 1939, significant Soviet military contingents were moved there. Finland refused to sign
14756-438: Was producing photographic postcards and album sets as souvenirs by 1926, when Harold Graves joined Sawyer's. Graves handled marketing for the products while Mayer ran the business. Later, photographic greeting cards were added to the Sawyer's product line, marketed to major department stores. Sawyer's was the nation's largest producer of scenic postcards in the 1920s and the future View-Master viewer eventually became an extension of
14880-624: Was purchased by Tyco Toys in 1989. Tyco, including the View-Master Ideal Group, merged with Mattel Inc. in 1997. View-Master was placed organizationally in Mattel's pre-school division and is now marketed under the Fisher-Price imprint, who continues emphasis on juvenile content. In 1998, during the purchase of the Tyco Toys-owned plant by Mattel , EPA investigations began on the View-Master factory supply well for
15004-772: Was repulsed with heavy Italian casualties; the campaign ended within months with minor territorial changes. To assist Italy and prevent Britain from gaining a foothold, Germany prepared to invade the Balkans, which would threaten Romanian oil fields and strike against British dominance of the Mediterranean. In December 1940, British Empire forces began counter-offensives against Italian forces in Egypt and Italian East Africa . The offensives were successful; by early February 1941, Italy had lost control of eastern Libya, and large numbers of Italian troops had been taken prisoner. The Italian Navy also suffered significant defeats, with
15128-673: Was required to go through the bureaucracy of the League of Nations, which rendered it essentially toothless. The United States, concerned with events in Europe and Asia, passed the Neutrality Act in August of the same year. Hitler defied the Versailles and Locarno Treaties by remilitarising the Rhineland in March 1936, encountering little opposition due to the policy of appeasement . In October 1936, Germany and Italy formed
15252-537: Was the deadliest conflict in history, resulting in 70 to 85 million deaths , more than half being civilians. Millions died in genocides , including the Holocaust of European Jews, as well as from massacres, starvation, and disease. Following the Allied powers' victory, Germany , Austria , Japan , and Korea were occupied, and war crimes tribunals were conducted against German and Japanese leaders . The causes of World War II included unresolved tensions in
15376-565: Was the Taxiphote by Jules Richard , patented in 1899. In the mid-20th century the View-Master stereoscope (patented 1939), with its rotating cardboard disks containing image pairs, was popular first for 'virtual tourism' and then as a toy. In 2010, Hasbro started producing a stereoscope designed to hold an iPhone or iPod Touch, called the My3D. In 2014, Google released the template for a papercraft stereoscope called Google Cardboard . Apps on
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