ScientificAmerican1897-11-06.jpg ThumbnailsScientific American 1902-06-07ThumbnailsScientific American 1902-06-07ThumbnailsScientific American 1902-06-07ThumbnailsScientific American 1902-06-07ThumbnailsScientific American 1902-06-07
The plant of a modern bicycle factory. Chain riveting machine. Cutting slots in hub flanges. Sawing off chain blocks. Chain limbering machine. Heading the spokes Profiling the spider, Crank profiling machine.



Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner