ScientificAmerican1917-03-10.jpg Scientific American 1903-11-28ThumbnailsScientific American 1920-08-21Scientific American 1903-11-28ThumbnailsScientific American 1920-08-21Scientific American 1903-11-28ThumbnailsScientific American 1920-08-21Scientific American 1903-11-28ThumbnailsScientific American 1920-08-21Scientific American 1903-11-28ThumbnailsScientific American 1920-08-21
The powerful electrically operated derrick "Hercules" removing a lattice mast from a battleship.



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

Restoration by: magscanner