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Interchangeable parts are parts (components) that are identical for practical purposes. They are made to specifications that ensure that they are so nearly identical that they will fit into any assembly of the same type. One such part can freely replace another, without any custom fitting, such as filing.
Hall was born in 1781 in Portland, Massachusetts (in the area that became Maine in 1820). He worked in his father's tannery until setting up his own woodworking and boat building shop in 1810 where he tinkered with guns in his spare time. He had taken an interest in firearms during militia service and focused on increasing the rapidity of loading.
Honoré Blanc. Honoré Blanc (1736–1801) was a French gunsmith and a pioneer of the use of interchangeable parts. [1][2] He was born in Avignon in 1736 and apprenticed to the gun-making trade at the age of twelve. His career spanned the decades from circa 1750 to 1801, a time period that included the reigns of Louis XV and Louis XVI, the ...
Simeon North. 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. North was born in Berlin, Connecticut, into a prosperous family able to ...
The American system of manufacturing was a set of manufacturing methods that evolved in the 19th century. [ 1 ] The two notable features were the extensive use of interchangeable parts and mechanization for production, which resulted in more efficient use of labor compared to hand methods. The system was also known as armory practice because it ...
He had not mentioned interchangeable parts at that time. Ten months later, the Treasury Secretary, Oliver Wolcott Jr., sent him a "foreign pamphlet on arms manufacturing techniques," possibly one of Honoré Blanc's reports, after which Whitney first began to talk about interchangeability. Whitney's gun factory in 1827
Colt's great contribution was the use of interchangeable parts. Knowing that some gun parts were made by machine, he envisioned all the parts of every Colt gun to be interchangeable and made by machine, to be assembled later by hand. His goal was an assembly line. [18] This is shown by an 1836 letter that Colt wrote to his father in which he said:
Thomas Blanchard (June 24, 1788 – April 16, 1864) was an American inventor who lived much of his life in Springfield, Massachusetts, where in 1819, he pioneered the assembly line style of mass production in America, and also invented the first machining lathe for interchangeable parts. Blanchard worked, for much of his career, with the ...