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Scientific American 1882-02-25

ScientificAmerican1882-02-25.jpg Rheingold Beer -1952AThumbnailsScientific American 1892-04-02Rheingold Beer -1952AThumbnailsScientific American 1892-04-02Rheingold Beer -1952AThumbnailsScientific American 1892-04-02Rheingold Beer -1952AThumbnailsScientific American 1892-04-02Rheingold Beer -1952AThumbnailsScientific American 1892-04-02

Frager's water meter. Vertical section. Horizontal section through the axis of the pistons.



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

Restoration by: magscanner