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Pinion – Parts Fine Silver

Pinion

The smaller of two toothed wheels which are geared into one another. The tooth of a pinion is called a pinion leaf.

Pivot

The end of an arbor or shaft that rests in a support or bearing.

Pivot Gauge

A steel plate with tapered slit for measuring the diameter of pivots.

Potence

A bracket used for supporting the lower end of the balance staff in full plate watches.

Pump Center

The small, pointed steel shaft in the center of a universal head, which is used for centering the work.

Parts Fine Silver

Parts Copper. Parts Brass Parts Zinc. First 4 3 Second 2 1 Third 19 1 10 5 Fourth 57 28.6 14.3