ScientificAmerican1897-10-02.jpg Scientific American 1894-12-29ThumbnailsScientific American 1903-02-21Scientific American 1894-12-29ThumbnailsScientific American 1903-02-21Scientific American 1894-12-29ThumbnailsScientific American 1903-02-21Scientific American 1894-12-29ThumbnailsScientific American 1903-02-21Scientific American 1894-12-29ThumbnailsScientific American 1903-02-21
One of the twin engines of the battleship Massachusetts, U. S. N.



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

Restoration by: magscanner