Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 178
^ case that will not spring in the backs with hard use. TO ILLUSTRATE, … Shows Bezel of Keystone Case made froma solid piece of sheet silver by swedgingdies. I Shows Bezel as commonly made withthree pieces of silver soldered together. Shows Keystone Case brought to thisstate, without a particle of solder, andcomposed only of four pieces of silver. THE…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
