jan 1, 1798 - Interchangeable Parts Invented
Description:
Interchangeable parts, popularized in America when Eli Whitney used them to assemble muskets in the first years of the 19th century, allowed relatively unskilled workers to produce large numbers of weapons quickly and at lower cost, and made repair and replacement of parts infinitely easier.Added to timeline:
Date:
jan 1, 1798
Now
~ 228 years ago