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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]
In 1795, Eli Terry began using a milling machine at Plymouth Connecticut in the production of tall case clocks. With the use of his milling machine, Terry was the first to accomplish Interchangeable parts in the clock industry. Milling wooden parts was efficient in interchangeable parts, but inefficient in high yields.
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 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 ...
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.
Eli Whitney, holding a 1798 United States government contract for the manufacture of muskets, is introduced by Oliver Wolcott Jr. to the concept of interchangeable parts, an origin of the American system of manufacturing. [109]
With interchangeable parts, however, all triggers fit the same model of the musket, as did all ramrods, all flash pans, all hammers, and all bullets. Manufacturers in many different industries soon took advantage of Whitney's invention to make a variety of goods with interchangeable parts. Many new products revolutionized agriculture in the West.