The inventor's universal educator : An educational cyclopaedia and guide for inventors, patentees, manufacturers, mechanics and all others connected directly or indirectly with patents (1906)
Dieterich, Fred G., 1858-1923, comp · Washington, D.C. : F. G. Dieterich · leaf 126
120 … 121 PERPETUf\L MOTION. Again is attention called to the interest g-iven this matter by learned men. A member of Parliament Sir William Cong-rove, inventor of the famous Cong-rove rocket was a belie-ver in andinvented a perpetual motion illustrated by No. 4, in which the point of capillary is…
Patents · Mechanical movements
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