ScientificAmerican1891-03-21.jpg Scientific American 1882-11-04ThumbnailsScientific American 1903-01-31Scientific American 1882-11-04ThumbnailsScientific American 1903-01-31Scientific American 1882-11-04ThumbnailsScientific American 1903-01-31Scientific American 1882-11-04ThumbnailsScientific American 1903-01-31Scientific American 1882-11-04ThumbnailsScientific American 1903-01-31
The new steel flating derrick at the Brooklyn Navy Yard.



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

Restoration by: magscanner