Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 57
or a long time and arebadly worn. The trouble is frequently found in the escapepinion for two reasons, first it revolves more rapidly thanany of the others and is more liable to wear, and second, it re-quires less power at that point to stop the train than at anyother. Figure 10 is a photograph of… … Figure 12.which the trouble disappeared. In some cases we can raiseor lower the fourth wheel so it will work above or below theworn place, which will overcome the difficulty. Some of our best lessons may be learned by the photo-graphs which will be shown from time to time. These willshow how work…
Clocks and watches
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