Chickering & Sons · Chickering & Sons, New York · leaf 12
regulates the rise of the damper from thestrings. No. 3 regulates the back catch, checking thehammers at the required distance from the string,for facilitating the repetition. No. 4, passing through the jack, regulatesthe escapement from the string. The small raised screw at the back of the… … is used. In some of the former actions, this rod, from rust on the damper-wire,would occasionally stick. To remedy this, a little coal-oil should be applied toeach mark made by the damper-wires on the cloth by wliich the rod is covered.This will remove the friction. 9 CHICKERING ^ SONS PIANO-FORTES.
Piano
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