le and locked. Thewheel cutter is set up with a fine toothed, smooth cuttingsaw on the spindle, horizontal, with its upper edge at theline of centers of the lathe. It is then run out to the cir-cumference of the wheel, turned upwards ten degrees andthe wheel cut around. Fig. 36. This makes the… … Fig. 36. Making an escape wheel with a saw, showing the successive cuts. THE MODERN CLOCK. 125 one, without touching either tooth, and cut round again;this cuts out a triangular piece of waste metal between theteeth. Turn the saw again so that it reaches from the bot-tom of the front of a tooth to…
Clocks and watches
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