Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 346
ller action in the watch with any required minute-and. if necessary, to replace detective parts with otherswhich will be correct, and suited to the peculiarities of the case.The method of testing the duplex escapement with the angle-meter will be deferred till we have also considered the wheeland… … Fig. 31. fit the staff well, but not go on tightly, as tin- greater expansionof the metal would sooneror later split the jewel, and probably incementing it on If the staff is too large, it can be turned orfiled down in the lathe, and should be left rough, as it holdsthe cement better than if…
Jewelry · Jewelry trade
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