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97-716: Moore Dry Dock Company was a ship repair and shipbuilding company in Oakland, California . In 1905, Robert S. Moore, his brother Joseph A. Moore, and John Thomas Scott purchased the National Iron Works located in the Hunter's Point section of San Francisco , and founded a new company, the Moore & Scott Iron Works Moore had previously been vice president of the Risdon Iron Works of San Francisco. Scott

194-615: A solar barque . Early Egyptians also knew how to fasten the planks of this ship together with mortise and tenon joints. The oldest known tidal dock in the world was built around 2500 BC during the Harappan civilisation at Lothal near the present day Mangrol harbour on the Gujarat coast in India . Other ports were probably at Balakot and Dwarka . However, it is probable that many small-scale ports, and not massive ports, were used for

291-633: A 3000-ton marine railway built by H. I. Crandall & Son of Massachusetts becomes operational in the Boole shipyard. 26 March 1909, it is announced that Moore & Scott have acquired the Boole shipyard for ca. $ 500,000. For World War 1 Moore Shipbuilding Company built for the US Shipping Board a number of ships, including some that become Empire ships : For the US war effort, Moore Dry Dock Company built: Download coordinates as: The area of

388-426: A broad beam and heavily curved at both ends. Another important ship type was the galley, which was constructed with both sails and oars. The first extant treatise on shipbuilding was written c.  1436 by Michael of Rhodes, a man who began his career as an oarsman on a Venetian galley in 1401 and worked his way up into officer positions. He wrote and illustrated a book that contains a treatise on shipbuilding,

485-410: A curved, progressive joint could not be achieved. One study finds that there were considerable improvements in ship speed from 1750 to 1850: "we find that average sailing speeds of British ships in moderate to strong winds rose by nearly a third. Driving this steady progress seems to be the continuous evolution of sails and rigging, and improved hulls that allowed a greater area of sail to be set safely in

582-407: A fore and aft sail on the mizzen. Ship-building then saw a steady improvement in design techniques and introduction of new materials. Iron was used for more than fastenings ( nails and bolts ) as structural components such as iron knees were introduced, with examples existing in the mid-18th century and from the mid-19th century onwards. This was partly led by the shortage of "compass timber",

679-589: A given wind. By contrast, looking at every voyage between the Netherlands and East Indies undertaken by the Dutch East India Company from 1595 to 1795, we find that journey time fell only by 10 percent, with no improvement in the heavy mortality, averaging six percent per voyage, of those aboard." Initially copying wooden construction traditions with a frame over which the hull was fastened, Isambard Kingdom Brunel 's Great Britain of 1843

776-551: A group of 14 ships discovered in Abydos that were constructed of wooden planks which were "sewn" together. Discovered by Egyptologist David O'Connor of New York University , woven straps were found to have been used to lash the planks together, and reeds or grass stuffed between the planks helped to seal the seams. Because the ships are all buried together and near a mortuary belonging to Pharaoh Khasekhemwy , originally they were all thought to have belonged to him, but one of

873-508: A high degree of commercialization and an increase in trade. Large numbers of ships were built to meet the demand. The Ming voyages were large in size, numbering as many as 300 ships and 28,000 men. The shipbuilders were brought from different places in China to the shipyard in Nanjing , including Zhejiang , Jiangxi , Fujian , and Huguang (now the provinces of Hubei and Hunan ). One of

970-679: A more secular approach into historical study. According to John Tosh , "From the High Middle Ages (c.1000–1300) onwards, the written word survives in greater abundance than any other source for Western history." Western historians developed methods comparable to modern historiographic research in the 17th and 18th centuries, especially in France and Germany, where they began investigating these source materials to write histories of their past. Many of these histories had strong ideological and political ties to their historical narratives. In

1067-406: A range of sailing rigs that included the crab claw sail . The origins of this technology is difficult to date, relying largely on linguistics (studying the words for parts of boats), the written comments of people from other cultures, including the observations of European explorers at the time of first contact and the later more systematic ethnographic observations of the types of craft in use. There

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1164-409: A significant number of workers, and generate income as the shipbuilding market is global . Recorded history Recorded history or written history describes the historical events that have been recorded in a written form or other documented communication which are subsequently evaluated by historians using the historical method . For broader world history , recorded history begins with

1261-891: A similar design. Austronesians established the Austronesian maritime trade network at around 1000 to 600 BC, linking Southeast Asia with East Asia, South Asia, the Middle East, and later East Africa. The route later became part of the Spice trade network and the Maritime Silk Road . The naval history of China stems back to the Spring and Autumn period (722 BC–481 BC) of the ancient Chinese Zhou dynasty . The Chinese built large rectangular barges known as "castle ships", which were essentially floating fortresses complete with multiple decks with guarded ramparts . However,

1358-411: A single piece of hollowed-out log. At the sides were two planks, and two horseshoe-shaped wood pieces formed the prow and stern . These were fitted tightly together edge-to-edge with dowels inserted into holes in between, and then lashed to each other with ropes (made from rattan or fiber) wrapped around protruding lugs on the planks. This characteristic and ancient Austronesian boatbuilding practice

1455-526: A treatise on mathematics, much material on astrology, and other materials. His treatise on shipbuilding treats three kinds of galleys and two kinds of round ships. Shipbuilders in the Ming dynasty (1368~1644) were not the same as the shipbuilders in other Chinese dynasties, due to hundreds of years of accumulated experiences and rapid changes in the Ming dynasty. Shipbuilders in the Ming dynasty primarily worked for

1552-467: Is a famous example). Later Great Britain ' s iron hull was sheathed in wood to enable it to carry a copper-based sheathing . Brunel's Great Eastern represented the next great development in shipbuilding. Built-in association with John Scott Russell , it used longitudinal stringers for strength, inner and outer hulls, and bulkheads to form multiple watertight compartments. Steel also supplanted wrought iron when it became readily available in

1649-663: Is a possibility that they may have reached the Americas . After the 11th century, a new type of ship called djong or jong was recorded in Java and Bali. This type of ship was built using wooden dowels and treenails, unlike the kunlun bo which used vegetal fibres for lashings. The empire of Majapahit used jong, built in northern Java, for transporting troops overseas. The jongs were transport ships which could carry 100–2000 tons of cargo and 50–1000 people, 28.99–88.56 meter in length. The exact number of jong fielded by Majapahit

1746-709: Is disagreement concerning exactly when prehistory becomes history, and when proto-writing became "true writing". However, invention of the first writing systems is roughly contemporary with the beginning of the Bronze Age in the late Neolithic of the late 4th millennium BCE . The Sumerian archaic cuneiform script and the Egyptian hieroglyphs are generally considered the earliest writing systems, both emerging out of their ancestral proto-literate symbol systems from 3400 to 3200 BCE, with earliest coherent texts from about 2600 BCE . The earliest chronologies date back to

1843-600: Is known as the " lashed-lug " technique. They were commonly caulked with pastes made from various plants as well as tapa bark and fibres which would expand when wet, further tightening joints and making the hull watertight. They formed the shell of the boat, which was then reinforced by horizontal ribs. Shipwrecks of Austronesian ships can be identified from this construction as well as the absence of metal nails. Austronesian ships traditionally had no central rudders but were instead steered using an oar on one side. Austronesians traditionally made their sails from woven mats of

1940-571: Is noted in the works of Ibn Jubayr . The ships of Ancient Egypt's Eighteenth Dynasty were typically about 25 meters (80 ft) in length and had a single mast , sometimes consisting of two poles lashed together at the top making an "A" shape. They mounted a single square sail on a yard , with an additional spar along the bottom of the sail. These ships could also be oar propelled. The ocean- and sea-going ships of Ancient Egypt were constructed with cedar wood, most likely hailing from Lebanon. The ships of Phoenicia seem to have been of

2037-518: Is one of the earliest mentions of "pigtail of Brahmin boys". These poems also allude to historical incidents, ancient Tamil kings, the effect of war on loved ones and households. The Pattinappalai poem in the Ten Idylls group, for example, paints a description of the Chola capital, the king Karikala , the life in a harbor city with ships and merchandise for seafaring trade, the dance troupes,

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2134-502: Is one of the few documents containing material relating to the Nāga and Yakkha peoples , indigenous inhabitants of Lanka prior to the legendary arrival of Prince Vijaya from Singha Pura of Kalinga. The Sangam literature offers a window into some aspects of the ancient South Indian culture, secular and religious beliefs, and the people. For example, in the Sangam era Ainkurunuru poem 202

2231-499: Is only a small body of archaeological evidence available. Since Island Southeast Asia contained effective maritime transport between its very large number of islands long before Austronesian seafaring, it is argued that Austronesians adopted an existing maritime technology from the existing inhabitants of this region. Austronesian ships varied from simple canoes to large multihull ships. The simplest form of all ancestral Austronesian boats had five parts. The bottom part consists of

2328-418: Is the construction of ships and other floating vessels . In modern times, it normally takes place in a specialized facility known as a shipyard . Shipbuilders , also called shipwrights , follow a specialized occupation that traces its roots to before recorded history . Until recently, with the development of complex non-maritime technologies, a ship has often represented the most advanced structure that

2425-411: Is unknown, but the largest number of jong deployed in an expedition is about 400 jongs, when Majapahit attacked Pasai, in 1350. Until recently, Viking longships were seen as marking an advance on traditional clinker -built hulls where leather thongs were used to join plank boards. This consensus has recently been challenged. Haywood has argued that earlier Frankish and Anglo-Saxon nautical practice

2522-615: The Culavamsa "Lesser Chronicle", compiled by Sinhala monks, covers the period from the 4th century to the British takeover of Sri Lanka in 1815. The Culavamsa was compiled by a number of authors of different time periods. The combined work, sometimes referred to collectively as the Mahavamsa , provides a continuous historical record of over two millennia, and is considered one of the world's longest unbroken historical accounts. It

2619-589: The ghe mành . Early Egyptians also knew how to assemble planks of wood with treenails to fasten them together, using pitch for caulking the seams. The " Khufu ship ", a 43.6-meter vessel sealed into a pit in the Giza pyramid complex at the foot of the Great Pyramid of Giza in the Fourth Dynasty around 2500 BC, is a full-size surviving example which may have fulfilled the symbolic function of

2716-579: The k'un-lun po or kunlun bo ("ship of the k'un-lun [dark-skinned southern people]"). These ships used two types of sail of their invention, the junk sail and tanja sail . Large ships are about 50–60 metres (164–197 ft) long, had 5.2–7.8 metres (17–26 ft) tall freeboard , each carrying provisions enough for a year, and could carry 200–1000 people. The Chinese recorded that these Southeast Asian ships were hired for passage to South Asia by Chinese Buddhist pilgrims and travelers, because they did not build seaworthy ships of their own until around

2813-724: The Abbasid period. Mughal Empire had a large shipbuilding industry, which was largely centred in the Bengal Subah . Economic historian Indrajit Ray estimates shipbuilding output of Bengal during the sixteenth and seventeenth centuries at 223,250 tons annually, compared with 23,061 tons produced in nineteen colonies in North America from 1769 to 1771. He also assesses ship repairing as very advanced in Bengal. Documents from 1506, for example, refer to watercraft on

2910-628: The Moore Dry Dock Company , operating primarily as a repair yard, amidst a severe lack of demand for new construction in the 1920s and early 1930s. Its shipbuilding capabilities were again promptly expanded for the World War II boom, providing over 100 ships for the U.S. Navy and merchant marine . Moore ranked 82nd among United States corporations in the value of World War II military production contracts. Shipbuilding ceased at war's end, but repair operations continued. In 1950,

3007-547: The Napoleonic Wars were still built more or less to the same basic plan as those of the Spanish Armada of two centuries earlier, although there had been numerous subtle improvements in ship design and construction throughout this period. For instance, the introduction of tumblehome , adjustments to the shapes of sails and hulls, the introduction of the wheel, the introduction of hardened copper fastenings below

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3104-637: The Oakland Estuary . In 1917, Moore bought out Scott and changed the business name to Moore Shipbuilding Company . Henry T. Scott and John T. Scott tried to establish a rival business with the Pacific Coast Shipbuilding Company , an enterprise that eventually did not outlive the World War I shipbuilding boom. The Design 1015 ship was also called the Moore & Scott Type . In 1922, Moore Shipbuilding renamed to

3201-469: The Persian Gulf . Evidence from Ancient Egypt shows that the early Egyptians knew how to assemble planks of wood into a ship hull as early as 3100 BC. Egyptian pottery as old as 4000 BC shows designs of early fluvial boats or other means for navigation. The Archaeological Institute of America reports that some of the oldest ships yet unearthed are known as the Abydos boats . These are

3298-459: The Sierra Leone river carrying 120 men. Others refer to Guinea coast peoples using war canoes of varying sizes – some 70 feet in length, 7–8 feet broad, with sharp pointed ends, rowing benches on the side, and quarterdecks or forecastles build of reeds. The watercraft included miscellaneous facilities, such as cooking hearths, and storage spaces for the crew's sleeping mats. From

3395-575: The "father of history" composing his The Histories from the 450s to the 420s BCE. However, his contemporary Thucydides (c. 460 BCE – c. 400 BCE) is credited with having first approached history with a well-developed historical method in his work the History of the Peloponnesian War . Thucydides, unlike Herodotus, regarded history as being the product of the choices and actions of human beings, and looked at cause and effect, rather than as

3492-461: The 14 ships dates to 3000 BC, and the associated pottery jars buried with the vessels also suggest earlier dating. The ship dating to 3000 BC was about 75 feet (23 m) long and is now thought to perhaps have belonged to an earlier pharaoh. According to professor O'Connor, the 5,000-year-old ship may have even belonged to Pharaoh Aha . The Austronesian expansion , which began c.  3000 BC with migration from Taiwan to

3589-536: The 17th century, some kingdoms added brass or iron cannons to their vessels. By the 18th century, however, the use of swivel cannons on war canoes accelerated. The city-state of Lagos , for instance, deployed war canoes armed with swivel cannons. With the development of the carrack , the west moved into a new era of ship construction by building the first regular oceangoing vessels. In a relatively short time, these ships grew to an unprecedented size, complexity, and cost. Shipyards became large industrial complexes, and

3686-501: The 2000s this was done using analogue recording methods such as cassettes and reel-to-reel tapes . With the onset of new technologies, there are now digital recordings , which may be recorded to compact disks. Nevertheless, historical record and interpretation often relies heavily on written records, partially because it dominates the extant historical materials, and partially because historians are used to communicating and researching in that medium. The historical method comprises

3783-403: The 20th century, academic historians began focusing less on epic nationalistic narratives, which often tended to glorify the nation or great men , to attempt more objective and complex analyses of social and intellectual forces. A major trend of historical methodology in the 20th century was a tendency to treat history more as a social science rather than as an art , which traditionally had been

3880-606: The 8–9th century AD. Austronesians (especially from western Island Southeast Asia ) were trading in the Indian Ocean as far as Africa during this period. By around 50 to 500 AD, a group of Austronesians, believed to be from the southeastern coasts of Borneo (possibly a mixed group related to the modern Ma'anyan , Banjar , and/or the Dayak people ) crossed the Indian Ocean and colonized Madagascar . This resulted in

3977-764: The Admiral Zheng He . Six voyages were conducted under the Yongle Emperor's reign, the last of which returned to China in 1422. After the Yongle Emperor's death in 1424, his successor the Hongxi Emperor ordered the suspension of the voyages. The seventh and final voyage began in 1430, sent by the Xuande Emperor . Although the Hongxi and Xuande Emperors did not emphasize sailing as much as the Yongle Emperor, they were not against it. This led to

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4074-507: The Chinese vessels during this era were essentially fluvial (riverine). True ocean-going Chinese fleets did not appear until the 10th century Song dynasty . There is considerable knowledge regarding shipbuilding and seafaring in the ancient Mediterranean. Large multi-masted seafaring ships of Southeast Asian Austronesians first started appearing in Chinese records during the Han dynasty as

4171-654: The Chinese, from the Old Javanese parahu , Javanese prau , or Malay perahu – large ship. Southern Chinese junks showed characteristics of Austronesian ships that they are made using timbers of tropical origin, with keeled, V-shaped hull. This is different from northern Chinese junks, which are developed from flat-bottomed riverine boats. The northern Chinese junks were primarily built of pine or fir wood, had flat bottoms with no keel, water-tight bulkheads with no frames, transom (squared) stern and stem, and have their planks fastened with iron nails or clamps. It

4268-570: The Han dynasty junk ship design in the same century. The Chinese were using square sails during the Han dynasty and adopted the Austronesian junk sail later in the 12th century. Iconographic remains show that Chinese ships before the 12th century used square sails, and the junk rig of Chinese ships is believed to be developed from tilted sails . Southern Chinese junks were based on keeled and multi-planked Austronesian ship known as po by

4365-713: The Harappan maritime trade. Ships from the harbour at these ancient port cities established trade with Mesopotamia . Shipbuilding and boatmaking may have been prosperous industries in ancient India. Native labourers may have manufactured the flotilla of boats used by Alexander the Great to navigate across the Hydaspes and even the Indus , under Nearchos . The Indians also exported teak for shipbuilding to ancient Persia . Other references to Indian timber used for shipbuilding

4462-614: The Moore facility was the target of a union picket when sailors were having a dispute with a ship owner whose ship was in Moore's dry dock at the time. The court battle which ensued eventually led to the Moore Dry Dock Standards for Primary Picketing at a Secondary Site ( Sailors' Union of the Pacific (Moore Dry Dock Co.), 92 NLRB 547, 27 LRRM 1108 (1950)). Moore Dry Dock Company ceased operations in 1961. Its site at

4559-570: The Port of Oakland was a major shipbuilding center of the Bay Area during the war peaks that started in 1916 and 1940 and ended in 1922 and 1946. Like for the rest of the country, shipbuilding either came to a complete halt for many of the yards or proceeded at a much reduced rate in the interwar years due to the saturation of the market and during a time of arms reduction treaties and economic austerity . See also Shipbuilding Shipbuilding

4656-491: The United States in a 15-year period just before the war was a grand total of two. During the war, thousands of Liberty ships and Victory ships were built, many of them in shipyards that did not exist before the war. And, they were built by a workforce consisting largely of women and other inexperienced workers who had never seen a ship before (or even the ocean). After World War II , shipbuilding (which encompasses

4753-412: The accounts of the ancient world around the 4th millennium BCE, and it coincides with the invention of writing . For some geographic regions or cultures , written history is limited to a relatively recent period in human history because of the limited use of written records. Moreover, human cultures do not always record all of the information which is considered relevant by later historians, such as

4850-516: The advancement of technology. History can now be recorded through photography , audio recordings , and video recordings . More recently, Internet archives have been saving copies of webpages, documenting the history of the Internet . Other methods of collecting historical information have also accompanied the change in technologies; for example, since at least the 20th century, attempts have been made to preserve oral history by recording it. Until

4947-516: The bards and artists, the worship of the Hindu god Murugan and the monasteries of Buddhism and Jainism. Indica is an account of Mauryan India by the Greek writer Megasthenes . The original book is now lost, but its fragments have survived in later Greek and Latin works. The earliest of these works are those by Diodorus Siculus , Strabo ( Geographica ), Pliny , and Arrian ( Indica ). In

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5044-527: The bottom planking of cogs . The north-European and Mediterranean traditions merged in the late 15th century, with carvel construction being adopted in the North and the centre-line mounted rudder replacing the quarter rudder of the Mediterranean. These changes broadly coincided with improvements in sailing rigs, with the three masted ship becoming common, with square sails on the fore and main masts, and

5141-576: The case. French historians associated with the Annales School introduced quantitative history, using raw data to track the lives of typical individuals, and were prominent in the establishment of cultural history. The Zuo zhuan , attributed to Zuo Qiuming in the 5th century BCE covers the period from 722 to 468 BCE in a narrative form. The Book of Documents is one of the Five Classics of Chinese classic texts and one of

5238-581: The development beyond that raft technology occurred in the "nursery" areas of the Mediterranean and in Maritime Southeast Asia . Favoured by warmer waters and a number of inter-visible islands, boats (and, later, ships) with water-tight hulls (unlike the "flow through" structure of a raft) could be developed. The ships of ancient Egypt were built by joining the hull planks together, edge to edge, with tenons set in mortices cut in

5335-568: The earliest civilizations of Early Dynastic Period of Egypt , Mesopotamia and the Sumerians , which emerged independently of each other from roughly 3500 BCE. Earliest recorded history, which varies greatly in quality and reliability, deals with Pharaohs and their reigns , as preserved by ancient Egyptians . Much of the earliest recorded history was re-discovered relatively recently due to archaeological dig sites findings. A number of different traditions have developed in different parts of

5432-584: The earliest narratives of China. The Spring and Autumn Annals , the official chronicle of the State of Lu covering the period from 722 to 481 BCE, is arranged on annalistic principles. It is traditionally attributed to Confucius (551–479 BCE). Zhan Guo Ce was a renowned ancient Chinese historical compilation of sporadic materials on the Warring States period compiled between the 3rd and 1st centuries BCE. Sima Qian (around 100 BCE)

5529-500: The end of the Ming dynasty in 1644. During this period, Chinese navigation technology did not make any progress and even declined in some aspect. In the Islamic world, shipbuilding thrived at Basra and Alexandria . The dhow , felucca , baghlah , and the sambuk became symbols of successful maritime trade around the Indian Ocean from the ports of East Africa to Southeast Asia and the ports of Sindh and Hind (India) during

5626-639: The foot of Adeline Street on the Oakland Estuary is now occupied by Schnitzer Steel Industries , a large scrap metal recycling concern, based in Portland, Oregon. 18 May 1901, the Lahaina , the first ship built in Oakland, is launched from the yard of W. A. Boole & Son at the foot of Adeline street. Adeline street is at the easternmost part of the property that later makes up Moore. June 1901,

5723-515: The full impact of natural disasters or the names of individuals. Recorded history for particular types of information is therefore limited based on the types of records kept. Because of this, recorded history in different contexts may refer to different periods of time depending on the topic. The interpretation of recorded history often relies on historical method , or the set of techniques and guidelines by which historians use primary sources and other evidence to research and then to write accounts of

5820-594: The government, under command of the Ministry of Public Works . During the early years of the Ming dynasty, the Ming government maintained an open policy towards sailing. Between 1405 and 1433, the government conducted seven diplomatic Ming treasure voyages to over thirty countries in Southeast Asia, India, the Middle East and Eastern Africa. The voyages were initiated by the Yongle Emperor , and led by

5917-507: The infrastructure required to transport the trees from their point of origin to the shipyards. Shipbuilders were usually divided into different groups and had separate jobs. Some were responsible for fixing old ships; some were responsible for making the keel and some were responsible for building the helm. After 1477, the Ming government reversed its open maritime policies, enacting a series of isolationist policies in response to piracy . The policies, called Haijin (sea ban), lasted until

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6014-536: The introduction of outrigger canoe technology to non-Austronesian cultures in the East African coast. The ancient Chinese also built fluvial ramming vessels as in the Greco-Roman tradition of the trireme , although oar-steered ships in China lost favor very early on since it was in the 1st century China that the stern -mounted rudder was first developed. This was dually met with the introduction of

6111-481: The island of Luzon in the Philippines , spread across Island Southeast Asia . Then, between 1500 BC and 1500 AD they settled uninhabited islands of the Pacific, and also sailed westward to Madagascar. This is associated with distinctive maritime technology: lashed lug construction techniques (both in outrigger canoes and in large planked sailing vessels), various types of outrigger and twin-hulled canoes and

6208-432: The keel, the hull was made by overlapping nine strakes on either side with rivets fastening the oaken planks together. It could hold upwards of thirty men. Sometime around the 12th century, northern European ships began to be built with a straight sternpost , enabling the mounting of a rudder, which was much more durable than a steering oar held over the side. Development in the Middle Ages favored "round ships", with

6305-470: The latter half of the 19th century, providing great savings when compared with iron in cost and weight. Wood continued to be favored for the decks. During World War II , the need for cargo ships was so great that construction time for Liberty ships went from initially eight months or longer, down to weeks or even days. They employed production line and prefabrication techniques such as those used in shipyards today. The total number of dry-cargo ships built in

6402-478: The mating edges. A similar technique, but with the tenons being pinned in position by dowels, was used in the Mediterranean for most of classical antiquity . Both these variants are "shell first" techniques, where any reinforcing frames are inserted after assembly of the planking has defined the hull shape. Carvel construction then took over in the Mediterranean. Northern Europe used clinker construction , but with some flush-planked ship-building in, for instance,

6499-445: The most famous shipyards was Long Jiang Shipyard ( zh:龙江船厂 ), located in Nanjing near the Treasure Shipyard where the ocean-going ships were built. The shipbuilders could build 24 models of ships of varying sizes. Several types of ships were built for the voyages, including Shachuan (沙船), Fuchuan (福船) and Baochuan ( treasure ship ) (宝船). Zheng He's treasure ships were regarded as Shachuan types, mainly because they were made in

6596-479: The mould loft . Shipbuilding and ship repairs, both commercial and military, are referred to as naval engineering . The construction of boats is a similar activity called boat building . The dismantling of ships is called ship breaking . The earliest evidence of maritime transport by modern humans is the settlement of Australia between 50,000 and 60,000 years ago. This almost certainly involved rafts , possibly equipped with some sort of sail . Much of

6693-491: The naturally curved timber that meant that shapes could be cut without weaknesses caused by cuts across the grain of the timber. Ultimately, whole ships were made of iron and, later, steel . The earliest known depictions (including paintings and models) of shallow-water sailing boats is from the 6th to 5th millennium BC of the Ubaid period of Mesopotamia . They were made from bundled reeds coated in bitumen and had bipod masts. They sailed in shallow coastal waters of

6790-432: The object of study." Historians use other types of sources to understand history as well. Secondary sources are written accounts of history based upon the evidence from primary sources. These are sources which, usually, are accounts, works, or research that analyse, assimilate, evaluate, interpret, and/or synthesize primary sources. Tertiary sources are compilations based upon primary and secondary sources and often tell

6887-443: The past. The question of what constitutes history, and whether there is an effective method for interpreting recorded history, is raised in the philosophy of history as a question of epistemology . The study of different historical methods is known as historiography , which focuses on examining how different interpreters of recorded history create different interpretations of historical evidence. Prehistory traditionally refers to

6984-481: The period during which a culture or civilization has not yet developed writing, but other cultures have noted its existence in their own writings. More complete writing systems were preceded by proto-writing . Early examples are the Jiahu symbols ( c.  6600 BCE ), Vinča signs ( c.  5300 BCE ), early Indus script ( c.  3500 BCE ) and Nsibidi script ( c.  before 500 CE ). There

7081-530: The preface to his book, the Muqaddimah (1377), the Arab historian and early sociologist , Ibn Khaldun , warned of seven mistakes that he thought that historians regularly committed. In this criticism, he approached the past as strange and in need of interpretation. Ibn Khaldun often criticised "idle superstition and uncritical acceptance of historical data." As a result, he introduced a scientific method to

7178-620: The prestigious Ban family of the Eastern Han dynasty era. In Sri Lanka , the oldest historical text is the Mahavamsa ( c. 5th century CE). Buddhist monks of the Anuradhapura Maha Viharaya maintained chronicles of Sri Lankan history starting from the 3rd century BCE. These annals were combined and compiled into a single document in the 5th century by the Mahanama of Anuradhapura while Dhatusena of Anuradhapura

7275-416: The resilient and salt-resistant pandanus leaves. These sails allowed Austronesians to embark on long-distance voyaging. The ancient Champa of Vietnam also uniquely developed basket-hulled boats whose hulls were composed of woven and resin - caulked bamboo, either entirely or in conjunction with plank strakes . They range from small coracles (the o thúng ) to large ocean-going trading ships like

7372-618: The result of divine intervention. History developed as a popular form of literature in later Greek and Roman societies in the works of Polybius , Tacitus and others. Saint Augustine was influential in Christian and Western thought at the beginning of the medieval period. Through the Medieval and Renaissance periods, history was often studied through a sacred or religious perspective. Around 1800, German philosopher and historian Georg Wilhelm Friedrich Hegel brought philosophy and

7469-450: The shipbuilder learned the techniques of shipbuilding from his family and is very likely to earn a higher status in the shipyard. Additionally, the shipbuilder had access to business networking that could help to find clients. If a shipbuilder entered the occupation through an apprenticeship, the shipbuilder was likely a farmer before he was hired as a shipbuilder, or he was previously an experienced shipbuilder. Many shipbuilders working in

7566-429: The ships built were financed by consortia of investors. These considerations led to the documentation of design and construction practices in what had previously been a secretive trade run by master shipwrights and ultimately led to the field of naval architecture , in which professional designers and draftsmen played an increasingly important role. Even so, construction techniques changed only very gradually. The ships of

7663-422: The shipyard were forced into the occupation. The ships built for Zheng He's voyages needed to be waterproof, solid, safe, and have ample room to carry large amounts of trading goods. Therefore, due to the highly commercialized society that was being encouraged by the expeditions, trades, and government policies, the shipbuilders needed to acquire the skills to build ships that fulfil these requirements. Shipbuilding

7760-433: The shipyards, the marine equipment manufacturers, and many related service and knowledge providers) grew as an important and strategic industry in a number of countries around the world. This importance stems from: Historically, the industry has suffered from the absence of global rules and a tendency towards ( state - supported ) over-investment due to the fact that shipyards offer a wide range of technologies, employ

7857-666: The site of Portus in Rome revealed inscriptions in a shipyard constructed during the reign of Trajan (98–117) that indicated the existence of a shipbuilders guild . Roughly at this time is the last migration wave of the Austronesian expansion , when the Polynesian islands spread over vast distances across the Pacific Ocean were being colonized by the (Austronesian) Polynesians from Island Melanesia using double-hulled voyaging catamarans . At its furthest extent, there

7954-503: The society building it could produce. Some key industrial advances were developed to support shipbuilding, for instance the sawing of timbers by mechanical saws propelled by windmills in Dutch shipyards during the first half of the 17th century. The design process saw the early adoption of the logarithm (invented in 1615) to generate the curves used to produce the shape of a hull , especially when scaling up these curves accurately in

8051-423: The span of time before recorded history, ending with the invention of writing systems . Prehistory refers to the past in an area where no written records exist, or where the writing of a culture is not understood. Protohistory refers to the transition period between prehistory and history, after the advent of literacy in a society but before the writings of the first historians . Protohistory may also refer to

8148-482: The stronger flushed deck design derived from Indian designs, and the increasing use of iron reinforcement. The flushed deck originated from the Bengal rice ships, with Bengal being famous for its shipbuilding industry at the time. Iron was gradually adopted in ship construction, initially to provide stronger joints in a wooden hull e.g. as deck knees, hanging knees, knee riders and the other sharp joints, ones in which

8245-464: The study of history, and he often referred to it as his "new science". His historical method also laid the groundwork for the observation of the role of state , communication , propaganda and systematic bias in history, and he is thus considered to be the "father of historiography" or the "father of the philosophy of history". While recorded history begins with the invention of writing, over time new ways of recording history have come along with

8342-520: The techniques and guidelines by which historians use primary sources and other evidence to research and then to write history . Primary sources are first-hand evidence of history (usually written, but sometimes captured in other mediums) made at the time of an event by a present person. Historians think of those sources as the closest to the origin of the information or idea under study. These types of sources can provide researchers with, as Dalton and Charnigo put it, "direct, unmediated information about

8439-613: The treasure shipyard in Nanjing. Shachuan , or 'sand-ships', are ships used primarily for inland transport. However, in recent years, some researchers agree that the treasure ships were more of the Fuchuan type. It is said in vol. 176 of San Guo Bei Meng Hui Bian (三朝北盟汇编) that ships made in Fujian are the best ones. Therefore, the best shipbuilders and laborers were brought from these places to support Zheng He's expedition. The shipyard

8536-612: The waterline, the introduction of copper sheathing as a deterrent to shipworm and fouling, etc. In the early decades of the Industrial Revolution (1760 to 1825) western ship design remained largely based on its traditional pre-industrial designs and materials and yet greatly improved in safety as "the risk of being wrecked for Atlantic shipping fell by one-third, and of foundering by two thirds, reflecting improvements in seaworthiness and navigation respectively." The improvement in seaworthiness has been credited to adopting

8633-427: The world as to how to interpret these ancient accounts. Dionysius of Halicarnassus knew of seven predecessors of Herodotus , including Hellanicus of Lesbos , Xanthus of Lydia and Hecataeus of Miletus . He described their works as simple, unadorned accounts of their own and other cities and people, Greek or foreign, including popular legends. Herodotus (484 BCE – c. 425 BCE) has generally been acclaimed as

8730-540: Was much more accomplished than had been thought and has described the distribution of clinker vs. carvel construction in Western Europe (see map [1] ). An insight into shipbuilding in the North Sea/Baltic areas of the early medieval period was found at Sutton Hoo , England, where a ship was buried with a chieftain. The ship was 26 metres (85 ft) long and 4.3 metres (14 ft) wide. Upward from

8827-513: Was nephew to Henry T. and Irving M. Scott, owners of the nearby Union Iron Works , where John had risen from apprentice to superintendent. Their new business was soon destroyed by fire resulting from the San Francisco earthquake . In 1909, Moore and Scott decided to move across the Bay, and so purchased the W. A. Boole & Son Shipyard, located in Oakland at the foot of Adeline Street along

8924-496: Was not the sole industry utilising Chinese lumber at that time; the new capital was being built in Beijing from approximately 1407 onwards, which required huge amounts of high-quality wood. These two ambitious projects commissioned by Emperor Yongle would have had enormous environmental and economic effects, even if the ships were half the dimensions given in the History of Ming . Considerable pressure would also have been placed on

9021-710: Was ruling the Anuradhapura Kingdom . It was written based on prior ancient compilations known as the Atthakatha , which were commentaries written in Sinhala. An earlier document known as the Dipavamsa (4th century CE) "Island Chronicles" is much simpler and contains less information than the Mahavamsa and was probably compiled using the Atthakatha on the Mahavamsa as well. A companion volume,

9118-642: Was the first in China to lay the groundwork for professional historical writing. His written work was the Records of the Grand Historian , a monumental lifelong achievement in literature. Its scope extends as far back as the 16th century BCE, and it includes many treatises on specific subjects and individual biographies of prominent people, and also explores the lives and deeds of commoners, both contemporary and those of previous eras. His work influenced every subsequent author of history in China, including

9215-444: Was the first radical new design, being built entirely of wrought iron. Despite her success, and the great savings in cost and space provided by the iron hull, compared to a copper-sheathed counterpart, there remained problems with fouling due to the adherence of weeds and barnacles. As a result, composite construction remained the dominant approach where fast ships were required, with wooden timbers laid over an iron frame ( Cutty Sark

9312-426: Was under the command of Ministry of Public Works . The shipbuilders had no control over their lives. The builders, commoner's doctors, cooks and errands had lowest social status. The shipbuilders were forced to move away from their hometown to the shipyards. There were two major ways to enter the shipbuilder occupation: family tradition, or apprenticeship. If a shipbuilder entered the occupation due to family tradition,

9409-414: Was unknown when the Chinese people started adopting Southeast Asian (Austronesian) shipbuilding techniques. They may have been started as early as the 8th century, but the development was gradual and the true ocean-going Chinese junks did not appear suddenly. The word "po" survived in Chinese long after, referring to the large ocean-going junks. In September 2011, archeological investigations done at

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