Historic Machinery and Engineering

Black and white images of historical machinery like mills, engines, and lathes. Focus on industrial design and engineering with intricate details of mechanical components.

240 MM gun carriage, machining operation , Arms & armament, Watertown Arsenal Mass..  Records of U.S. Army Operational
240 MM gun carriage, machining operation , Arms & armament, Watertown Arsenal Mass.. Records of U.S. Army Operational