Public domain
Flyweight calling for four inch capacity semi-automatic turret lathe, internal thread grinder, internal grinder, cylindrical grinder, and lapping and heat treating facilities
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineFlyweight calling for four inch capacity semi-automatic turret lathe, internal thread grinder, internal grinder, cylindrical grinder, and lapping and heat treating facilities. 1941-01-01. Gruber, Edward. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.