Machines. Gear cutters used in 1841 and 1843 machine stops, circa 1890

Colvin, Fred H. (Fred Herbert), 1867-1965

1841
1841-1964

Glass plate negative from the Fred H. Colvin papers (Spec-Coll-00011) : Series III: Photographs and Glass Plate Negatives, 1880-1964.

Machine-tool industry
Gear-cutting machines

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