Cycling art, energy and locomotion: a series of remarks on the development of bicycles, tricycles, and man-motor carriages (1889)
Scott, Robert Pittis · Philadelphia, J. B. Lippincott · leaf 246
eases for an instant. This revolution of the ratchet-wheel e forces therevolution of the driving-wheel c, which, by its con-nection with the pinion 6, forces the revolution of theaxle A and wheels B.^ This patent shows a clever method of transmittingpower by means of an oscillating motion of the… … Leftwichs Specification, English. No. 2173. July 19,1869. Specification in pursuance of the conditions of theLetters Patent, filed by tiie said William Leftwichin the Great Seal Patent Office on the 18th January1870. To ALL TO WHOM THESE PRESENTS SHALL COME, I, William Leftwich, of Tufnell Park…
Cycling · Bicycles
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