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Scientific American 1880-07-31

ScientificAmerican1880-07-31.jpg Scientific American 1880-07-24ThumbnailsScientific American 1880-08-07Scientific American 1880-07-24ThumbnailsScientific American 1880-08-07Scientific American 1880-07-24ThumbnailsScientific American 1880-08-07Scientific American 1880-07-24ThumbnailsScientific American 1880-08-07Scientific American 1880-07-24ThumbnailsScientific American 1880-08-07

Manufacture of pulsometer pumps: Pulsometer Steam Pump Company, New York.



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

Restoration by: magscanner