Silverwork and jewelery; a text-book for students and workers in metal, by H. Wilson (1903)
Wilson, H · New York, D. Appleton and company · leaf 127
on ^ in. broad,file the angles untilit is nearly oval insection, or you maypass a piece ofround wire throughthe rolling-mill.This is to serve asthe mandrel (fig.65). Bend a slipof No. 5 metal ^inch wide, so thatit fits round themandrel closely,and solder the join.On one end youwill solder a bit… … the edge of tlie strip ; this is to take the Necklacestongue of the catch. In the center of thestrip you will file out a notch dividing itentirely, and also the end of the tube forabout |-th of an inch. Then take a slip ofsilver as wide as the tube and half as thick,solder a plate of No. 5 metal at…
Silverwork · Jewelry
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