ious to 1850, this science was in a very crude the "Rover." The first drop-frame or lady's machine state. Even the most eminent physicist of those days was patented in the United States in 1887. knew little about the fundamental laws of the subject, When it is considered in its economic aspect, it… … making bicycle sundries and in re- cle were less than those connected with the bicycle. During the succeeding twenty-five years (from 1850 to pairing. The wheel has brought prosperity to num- The large, cumbersome vehicles which traveled over berless country hotels and road houses which had 1875)…
Patents · Iron · Steel · Machine · Fifty years · Tons · Years ago · Electric light · Scientific American · Cast Iron · Sewing machine · Horse power · Electric motor · Half century · Twenty years
Internet Archive · Public domain (published before 1931). Free to use for anything.
