Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 449
s. HEMMINCS PATENT SPRING SELF-LIFTING TOP ! By this ingenious invention Jewelers are saved the endless trouble of keeping open their boxes in the show cases;by simply pressing on the catch, the cover flies back and remains open. Sample box sent by mail. 18 THE TRADER. … TORONTO SAFE WORKS.
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
