The mechanic's tool book. With practical rules and suggestions for use of machinists, iron-workers and others (1868)
Harrison, William B · New York, D. Van Nostrand · leaf 163
in a lever ofthe iirst order, or as in bending a rod across a fixedpoint. In coiling wire a machine can be con-structed upon this same principle, and instead ofrolls, as employed for plates, narrow wheels maybe used, geared together so as to run in oppositedirections, and grooves are made upon… … one side of this wheel pressing the wire in a lateraldirection determines the pitch of the coil. In thesketch, a and b represent the two wheels geared COILING WIRE. 159 together, and c the loose wheel; d is the wire asit is received in the direction of the arrow and is-sues in the curved form as…
Machine-shop practice · Tools
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