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Scientific American, Vol. 58, No. 3 (1888) (1888)

leaf 3

An illustration from Scientific American, Vol. 58, No. 3 (1888), 1888, leaf 3
es are made very heavy and strong, and each modified construction is provided for in a velocipede contains barriers for causing friction of the mercury against the sides of the tubes. for carrying freight, in order to give increased power applied at a slow rate of speed. For further particu- To… … FRIE’S TRICYCLE. the main line shaft and is provided with a clutch, so posed upon black they may be readily distinguished. The card has projec- that the transmission may be connected or discon- nected at will. tions upon ts bottom edge adapted to fit into the wider by Mr. Hermanus T. Frie. It…

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