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Machine to cut files Circa 1750 Machine tools were rare in 1750. Grooving a file, cutting a gear tooth, rounding and polishing were essentially manual gestures. The maker of this machine benefited from experiments by 18th-century master watchmakers. In their search for precision, they designed tools capable of accurately making watch parts.

Machine to cut files Circa 1750 Machine tools were rare in 1750. Grooving a file, cutting a gear tooth, rounding and polishing were essentially manual gestures. The maker of this machine benefited from experiments by 18th-century master watchmakers. In their search for precision, they designed tools capable of accurately making watch parts.

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