CAM

Cam—A rotating piece either non-circular or eccentric, used to convert rotary into linear reciprocating motion, oftener irregular in direction, rate, or time.

Cannon Pinion—The pinion to which the minute hand is attached. It is tubular in form (whence its name), the main arbor passing through it friction-tight.

Canton Berne—The Swiss district which does the largest export business in silver and base metal watches in Switzerland. The cantonal government has done everything possible to promote the industry, among other things: 1. Established information offices in the principal watch-making centers. 2. Established a permanent exhibition of articles used in the industry. 3. Established schools and associations and protective territories. 4. Prepared statistics and means for negotiating commercial relations.

Cap—The part of the case that covers the movement.

Capped Jewel—A jewel having a protective end-stone.

Carillon—Chimes frequently used in the earlier clocks for striking the hours. Still used in some clocks.

Caron, Peter Augustus—A famous Paris watchmaker, afterward called Beaumarchais, who made the first keyless watch of which we have any account.

Case—The metal box in which the movement of a watch is inclosed.