Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 67
f youallow it to burn off, it will make a softer staff, one that willturn easily. It is a mistake, making a staff too hard, as itwears no better, and is more liable to break. Some workmen prefer to turn the lower end and somethe top end of a staff first. In my own work, I always turn 63 MODERN… … Fig. 7. our first step is shown in Fig. 4, where the shoulder has beenturned to fit the balance arm, and also the correct distancefrom the end. Fig. 5 shows the second step—the hair-springcollet has been fitted, the undercut made for riveting overthe balance arm and the part turned down for the…
Clocks and watches
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