hub, H, only through the interme- The Pegasus System.—The Pegasus bicycle, the we are getting somewhat over the idea that it is neces- dium of the wheels, H, engaging with the fixed pinion, essential parts of the change of speed of which are sary before everything else to construct a light bicycle,… … markable collection for Cornell University of the ma- pinion, D, is pushed toward the left, the Fig. 2.-THE V AND B SYSTEM OF CHANGE 07 SPEED. entire mechanism is blocked ; that is to rine shells of the Eocene period in North America. He has finished work on only the first " stage " out of five…
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