Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 48
The train has no barrel, its place being taken by four ironpins set in a circle in the plate, between which the springis wound, the end being fastened to one of the platepillars. The spring looks as if it might have been taken out ofa door-lock, it is so heavj and awkwardly finished. There isno…
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.