. The principles and practice of dental surgery. 640 MANNER OF MAKING GOLD PLATE. Dr. S. S. White, who recommends the gauge-plate given in , which has been adopted by the principal brass manufactur-ers of this country. Fig. It may be necessary sometimes to make gold wire for spiralsprings or other purposes; also hollow-tube wire. A draw-plate Fig. 186. (Fig. 186), strong pliers and bench-vise (Fig. 187) are all thatare necessary for this purpose. The draw-plate should be of thehardest steel, and the holes diminishing very gradually. Thepliers should be rough at the end for graspin
. The principles and practice of dental surgery. 640 MANNER OF MAKING GOLD PLATE. Dr. S. S. White, who recommends the gauge-plate given in , which has been adopted by the principal brass manufactur-ers of this country. Fig. It may be necessary sometimes to make gold wire for spiralsprings or other purposes; also hollow-tube wire. A draw-plate Fig. 186. (Fig. 186), strong pliers and bench-vise (Fig. 187) are all thatare necessary for this purpose. The draw-plate should be of thehardest steel, and the holes diminishing very gradually. Thepliers should be rough at the end for grasping the wire, whichmust be often annealed during the process. The simplest metiiod of winding wire into a spiral spring isto secure it betAveen two blocks of wood, held betAveen the jawsof a small bench-vise, as shown in Fig. 187. The upper endof the wire is then grasped by a hand-vise or sliding-tongs, inconnection with a spindle or steel wire, the size of a small knit- GOLD SOLDER. 641 ting-needle, six or eight inches in length. The spindle, restingon the blocks of wood, is made to revolve, and by this move- FiG. 187.
Size: 1591px × 1570px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, bookpublisherphiladelphialindsa
