again be compressed by the pull ofth-e weight. In some tower clocks curved pins are fixed toopposite spokes of the great wheel and coiled springs arewound around the pins. Fig. 85; eyes in the large ratchetengage the outer ends of the pins and compress the springs.The clicks for maintaining powers… … Fig. giving a tendency for the ratchet tooth to draw the clicktowards the barrel center. The clicks should be nicelyformed, hardened and tempered and polished all over withemery. Long, thin springs will be needed to keep the wind-ing clicks up to the ratchet teeth. The ratchet wheel mustrun freely…
Clocks and watches
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