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Old 10-10-2022, 05:55 PM
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Default Precision

I know I have linked to this video before, but it deserves to be linked again.

Machine Thinking: Origins Of Precision

With that said, another video comes along on the American Precision Museum and what ultimately came to be called the American System of Manufacturing. This video is Part 1, another video (Part 2) is in the works.

Enjoy.
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Old 10-10-2022, 08:05 PM
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Recently read a book on Sir Joseph Witworth and his fight to create standards for machining, and his invention of a rifled cannon. The military disliked it, not because of it's accuracy up to 10 miles, but that a commoner with dirty fingernails was pushing for it.
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Old 10-10-2022, 09:02 PM
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The book
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