ScientificAmerican1893-10-21.jpg Scientific American 1893-10-14ThumbnailsScientific American 1893-10-28Scientific American 1893-10-14ThumbnailsScientific American 1893-10-28Scientific American 1893-10-14ThumbnailsScientific American 1893-10-28Scientific American 1893-10-14ThumbnailsScientific American 1893-10-28Scientific American 1893-10-14ThumbnailsScientific American 1893-10-28

De Laval's steam turbine, developing a speed of 20,000 revolutions, 20 horsepower. Also steam turbine and duplex dynamo; turbine wheel, shaft and pinion; gearing box.



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

Restoration by: magscanner