Canadian Jewellers Association · Toronto : Maclean-Hunter Pub. Co · leaf 959
, and an appropriate thickness,these are soldered to lengths ofhigh brass platers bar in a specialsoldering furnace. The composition bars then go to therollmg mill. Driven by a 30 h.p. motor, and ex-erting a tremendous pressure, themill rolls the bars back and forth,over and over again,… … Siihl, rinii till ((iiiipoxifion Bars in theN/ircirt/ SiiUlrrinii Fitrmtre This is No. 2 of a Series on the Malfing of Winged WheelWatch Cases The Ti-a<lo Miiikof Quality The American Watch Case Company of Toronto, Limited 511 King Street West, Toronto ^m iiiiiiiiiiiiiiiiiiiiiiii^^
Jewelry · Jewelry trade
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