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Chiming Barrel – Conical Pendulum

Chiming Barrel

The cylinder in a chiming clock which raises the hammer in the chiming train, by means of projections upon its surface.

Chops

Two metal plates which bind the ends of the pendulum suspension spring.

Chronoscope

A clock or watch in which the time is indicated by the presentation of numbers through holes in the dial.

Circular Error

In a pendulum clock the difference of time caused by the pendulum following a circular instead of a cycloidal path.

Cliche

The forming of metal objects by means of forcing a die into heated metal.

Carriage Clock

A European term for a clock having a balance instead of a pendulum, so as to be readily portable.

Clock Watch

A watch which automatically strikes the hours.

Clutch

A mechanism for connecting two shafts with each other, or with wheels, in such a manner that they may be readily disengaged.

Coloring Gold Articles

See Cleansing, Pickling and Polishing.

Compass

An instrument consisting of a magnetized needle turning freely on a point, used to determine horizontal directions in reference to the cardinal points.

Concave

The internal surface of a hollow a rounded body. The reverse of convex.

Conical Pendulum

A pendulum whose bob moves in a circle. See Pendulum.