Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 477
the trade March 1st, 1884, ismade under J. C. Duebers U. S. Patents, No. 290869 and 290870, dated December 25th, 1883,and is constructed throughout from 14 Karat solid gold bars rolled down over composition metalsexcept pendant bow joints, joint plugs and thumb pieces, which are solid gold.…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
