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Scientific American, Vol. 59, No. 19 (1888) (1888)

leaf 4

An illustration from Scientific American, Vol. 59, No. 19 (1888), 1888, leaf 4
ok by porting plate being L-shaped in section. To givea side rails, while those from the other loop diverge to- which it is connected to the ring held on the lower end signal, the scholar lifts the arm from the position ward the foot board and side rails. Each wire passes of the tug strap,… … the frog’s foot. Mr. Caleph suggested the use of a piece for the two links which carry the operating lever of extremity is connected to hooks, eyes, or staples in the of cork for this purpose, omitting the glass slide. the jack, a bolt connecting the links and lever, the bolt head or foot board. A…

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