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Scientific American 1899-03-04

ScientificAmerican1899-03-04.jpg Scientific American 1893-01-21ThumbnailsScientific American 1899-09-02Scientific American 1893-01-21ThumbnailsScientific American 1899-09-02Scientific American 1893-01-21ThumbnailsScientific American 1899-09-02Scientific American 1893-01-21ThumbnailsScientific American 1899-09-02Scientific American 1893-01-21ThumbnailsScientific American 1899-09-02

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