Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 112
0Jq. 2. 3i5-3, The crucible suitable for use with a can of this size—a can about six inches high—is Battersea E, which isabout 4% inches high and about 3 inches in diameter atthe top. This article refers to this size of crucible. Forany other size you may wish to make, the same propor-tions will…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.