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Scientific American, Vol. 14, No. 21 (May 1866) (1866)

leaf 3

An illustration from Scientific American, Vol. 14, No. 21 (May 1866), 1866, leaf 3
e primary coil at the "Upon a hollow mandrel or spindle is rigidlvfixed loosened, and the ring is turned upon the interior point where the wire is coiled, there being least at a die nolder, A, provided with three slots to receive head or die holder, as an axis, so as to cause the ec- the ends and… … of the outer (right hand) bear- the circuit is thereby broken, MERRIMAN'S BOLT CUTTER. ing expand in a contrary di- and the coil, under the action them. A reverse motion, of course, would enlarge I of its electricity, returns to if former position. rection. This arrangement of eccentrics is made to…

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