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Scientific American 1893-01-28

ScientificAmerican1893-01-28.jpg Scientific American 1893-01-21ThumbnailsScientific American 1893-02-04Scientific American 1893-01-21ThumbnailsScientific American 1893-02-04Scientific American 1893-01-21ThumbnailsScientific American 1893-02-04Scientific American 1893-01-21ThumbnailsScientific American 1893-02-04Scientific American 1893-01-21ThumbnailsScientific American 1893-02-04

The Royal Mail steamer Umbria of the Cunard line. Captain McKay. The special duplex drills for cutting out the broken section of the main shaft.



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

Restoration by: magscanner