Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 160
e same thing insome steel ones. When this occurs, the notch should beground out and repolished, and a larger jewel pin placed inthe roller or the lever notch may be closed and ground out tofit the jewel pin. The teeth of the escape wheel constantly dropping uponthe locking faces of the pallet… … Fig. i6. lap and understand its use. As these laps are quite expensiveand many workmen would not feel that they could afford sucha luxury, a method will be shown that any one may be ableto make one at very small cost. The best laps are madeeither of soft steel or copper, the latter being mostly…
Clocks and watches
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