primary coil at the ‘«Upon a hollow mandrel or spindle is rigidlv fixed loosened, and the ring is turned upon the interior point where the wire is coiled, there being least at a die holder, A, provided with three slots to receive head or die holder, as an axis, so as to cause the ec- the ends and… … the circuit is thereby broken, MERRIMAN’S BOLT CUTTER. ing expand in a contrary di- and the coil, under the action | of its electricity, returns to its former position. rection. This arrangement of eccentricy is made to them. A reverse motion, of course, would enlarge The dipper is thus alternately…
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