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Scientific American, Vol. 57, No. 14 (October 1887) (1887)

leaf 3

An illustration from Scientific American, Vol. 57, No. 14 (October 1887), 1887, leaf 3
on is to fasten a raised or lowered. Bell crank levers carried by the stretched wire to a projection on the center of the the passage across the plane of each coil can be actually main shaft, and connected to the shaft which operates diaphragm, and fix a mirror longitudinally on the wire recorded… … IMPROVED VERTICAL PLATE BENDINQ ROLLERS. © 1887 SCIENTIFIC AMERICAN, INC.

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