https://www.eliwhitney.org/7/museum/about-eli-whitney/factory QT:{{”
The role that Whitney played in early American technology has been debated, however. Whitney’s work in making muskets from a number of interchangeable parts once identified him as the sole originator of the idea. But tests on a collection of Whitney muskets indicate that all their parts were not interchangeable.
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Museum at
915 Whitney Avenue
Hamden, CT 06517
https://en.wikipedia.org/wiki/Eli_Whitney
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Eli Whitney (December 8, 1765 – January 8, 1825) was an American inventor best known for inventing the cotton gin. … Thereafter, he turned his attention into securing contracts with the government in the manufacture of muskets for the newly formed United States Army. He continued making arms and inventing until his death in 1825. “}}
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Henry Maudslay and Company[edit]
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In 1798 he obtained a small shop and smithy in Wells Street, off Oxford Street but in 1800 he moved to larger premises in Margaret Street, Cavendish Square.
By 1810 Maudslay was employing eighty workers and running out of room at his workshop, so he moved to larger premises in Westminster Bridge Road,
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https://en.wikipedia.org/wiki/Bramah_lock
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The Challenge Lock is in the Science Museum in London. An examination of the lock shows that it has been rebuilt since Hobbs picked it. Originally it had 18 iron slides and 1 central spring; it now has 13 steel slides, each with its own spring.[3]
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https://en.wikipedia.org/wiki/Joseph_Bramah
locks & WCs
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