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The building of a watch. Tempering furnace. Balance melting furnace. American Waltham Watch Company. Automatic plate-drilling machine. Tempering and bluing drum. Automatic plate-recessing machine. Automatic press for punching hand blanks. Automatic screw-making machine. Automatic plate-facing machine.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Wednesday 27 January 2010
- Posted on
- Wednesday 27 January 2010
- Visits
- 1172