ScientificAmerican1912-07-06.jpg Scientific American 1912-06-22ThumbnailsScientific American 1912-07-20Scientific American 1912-06-22ThumbnailsScientific American 1912-07-20Scientific American 1912-06-22ThumbnailsScientific American 1912-07-20Scientific American 1912-06-22ThumbnailsScientific American 1912-07-20Scientific American 1912-06-22ThumbnailsScientific American 1912-07-20

The low-pressure turbine of the "Imperator".



Source: Steve Kirch, creator of a wonderful website about SCIENTIFIC AMERICAN in the past

Restoration by: magscanner