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Scientific American 1893-01-21

ScientificAmerican1893-01-21.jpg Scientific American 1882-02-11ThumbnailsScientific American 1903-02-28Scientific American 1882-02-11ThumbnailsScientific American 1903-02-28Scientific American 1882-02-11ThumbnailsScientific American 1903-02-28Scientific American 1882-02-11ThumbnailsScientific American 1903-02-28Scientific American 1882-02-11ThumbnailsScientific American 1903-02-28

Adjustable undershot water wheel, for varying water level, of the Potsdam Red Sandstone Co.



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

Restoration by: magscanner