Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 1077
Sixty Watch Case BlanksEvery Minute … SIXTY blanks — the roughlyformed discs and rims from whichthe nicely-adjusted case backs, bezelsand centres are afterwards evolved— That is what this wonderful double-acting press can accomplish per minute. The ribbon of filled gold—sometimes75 feet in length — is fed under apowerful steel plunger,…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
