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Scientific American 1923-11

ScientificAmerican1923-11.jpg Scientific American 1902-03-08ThumbnailsScientific American 1902-03-08ThumbnailsScientific American 1902-03-08ThumbnailsScientific American 1902-03-08Thumbnails

Riveting the plates of a penstock for a hydroelectric power plant.



Artist: Howard V. Brown

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

Restoration by: magscanner