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 37
importance is the mechanicalmeans whereby the rider transmits a revolving mo-tion to the drive-wheel, and to lead up to this let usdiscuss the evolution from walking to riding. Theactual development has been of a legitimate character;first, walking; second, walking with the trunk sup-ported on… … The Dennis Johnson wheel. The early bicycle, such as that of Dennis Johnson,patented in England, No. 4321, 1818, did not supportthe rider entirely free from the ground. It consistedin a pair of wheels placed under him, constituting asort of third or rolling leg, the feet, though not forsupport,…
Cycling · Bicycles
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