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How to succeed as an inventor; showing the wonderful possibilites in the field of invention; the dangers to be avoided; the inventions needed; how to perfect and develop new ideas to the money making stage (1909)

Smith, Goodwin Brooke, 1870- [from old catalog] · Philadelphia, Inventors and investors corporation · leaf 75

An illustration from How to succeed as an inventor; showing the wonderful possibilites in the field of invention; the dangers to be avoided; the inventions needed; how to perfect and develop new ideas to the money making stage, 1909, leaf 75
cuum created. Duringdown-6troke lower valve closes and piston-valveopen6, and the water passes through the piston.At next up-stroke it is raised by the piston aodpasses out by the spout. 67. Common force-pump, with two valves. Whenpiston rises, the suction-valve opens and waterenters the vacuum.… … r a, *im^M F( LffJ^j % ^r1 75

Inventions

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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