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Eli Terry was using interchangeable parts using a milling machine as early as 1800. Ward Francillon, a horologist, concluded in a study that Terry had already accomplished interchangeable parts as early as 1800. The study examined several of Terry's clocks produced between 1800–1807. The parts were labelled and interchanged as needed.
The younger Eli was famous during his lifetime and after his death by the name "Eli Whitney", though he was technically Eli Whitney Jr. His son, born in 1820, also named Eli, was known during his lifetime and afterward by the name "Eli Whitney Jr." Whitney's mother, Elizabeth Fay, died in 1777, when he was 11. [2]
The cotton gin, invented by Eli Whitney, revolutionized slave-based agriculture in the Southern United States. The technological and industrial history of the United States describes the emergence of the United States as one of the most technologically advanced nations in the world in the 19th and 20th centuries.
By the beginning of the Civil War, rifles with interchangeable parts had been developed, and after the war, more complex devices such as sewing machines and typewriters were made with interchangeable parts. [31] In 1798, Eli Whitney obtained a government contract to manufacture 10,000 muskets in less than two years. By 1801, he had failed to ...
The idea of interchangeable parts and the separate assembly line was not new, though it was little used. The idea was first developed in East Asia during the Warring States period and later the Qin dynasty over 2200 years ago – bronze crossbow triggers and locking mechanisms were mass-produced and made to be interchangeable.
The mass-produced wooden clocks manufactured from interchangeable parts that poured from Terry's factory beginning in 1814 were the world's first mass-produced machines made of interchangeable parts. [4] As such he would mass market an affordable, complete cased-clock to American consumers. Terry's first clocks were offered in plain wooden box ...
Simeon North (July 13, 1765 – August 25, 1852) was an American gun manufacturer, who developed one of America's first milling machines (possibly the very first) in 1818 and played an important role in the development of interchangeable parts manufacturing.
Milling wooden parts was efficient in interchangeable parts, but inefficient in high yields. Milling wooden blanks results in a low yield of parts because the machines single blade would cause loss of gear teeth when the cutter hit parallel grains in the wood. Terry later invented a spindle cutting machine to mass produce parts in 1807.