Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 541
acture of the ball itself that Mr. Krafthad the most difficulty. It had to I- .1 perfect sphere to workproperly, and it was turned down bit by bit to the proper size.A little guard rail is pla< ed at 1 .n h angle ol the groove, so that the ball will not jump off. It takes the ball just live… … 6 SIZE.
Jewelry · Jewelry trade
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog]. (1908)](https://img.insideoutlibrary.com/img/200/ia-catalog00macy-265-686.webp)
