geared down. It was used on early tricycles for the same reason, viz., that a relatively large movement of the spade handle only diverted the steering wheel of the tricycle a small amount, which gave the rider more control over the steering and prevented the wheel from
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Fig. 10
THE OTTO BICYCLE
A two-wheeled machine which required to be balanced in the fore and aft directions
being twisted out of his hand. Among the well-known tricycles that followed the original of James Starley were the Challenge (Singer & Co.), the Salvo (Starley & Sutton), etc. James Starley was the first to use a balance geared axle on a tricycle; this is a piece of mechanism that is embodied in the axle and divides the shaft into two parts. It will be readily seen that, when a tricycle is turned, the outer wheel that describes
