ScientificAmerican1893-01-28.jpg ThumbnailsThumbnailsThumbnailsThumbnailsThumbnails
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