UNT Libraries Government Documents Department - 1 Matching Results
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- Bicycle.
- Patent for a bicycle that has a drive wheel, a ratchet wheel attached to the drive wheel, a chain that goes around the ratchet wheel, an apparatus for reciprocating the chain, a guideway from the chain to the ratchet wheel, a knob on the chain that engages the guideway, a pair of levers connected to the chain, and a chord that connects the levers to the chain.