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 52
52-inch Ordinary; starting up hiil. … 52-inch Ordinary; up hill, grade, one foot in ten; stalled at four milesper hour. 52-inch Ordinary; up hill, grade, one foot in twentj-five; curves of bothpedals superposed. Xf^O, \fOOl \ f
Cycling · Bicycles
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.