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Scientific American, Vol. 68, No. 21 (May 1893) (1893)

leaf 3

An illustration from Scientific American, Vol. 68, No. 21 (May 1893), 1893, leaf 3
An exchangeuaccredits it to a Frenchman, and it con- velocity corresponding to the volume of water passing end an adjustably journaled friction pulley and at its sists simply of a disk of red India rubber with a conical through it. inner end a latch. The standard holding the tracks at finger or… … AETISTIC AND COMFORTABLE FURNITURE. © 1893 SCIENTIFIC AMERICAN, INC.

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