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Taper Chuck – Turns

Taper Chuck

A solid chuck having a large opening for the reception of tapers, centers, laps, etc., as shown in Fig. 84.

The Principles of Mr

Harrison's Timekeeper; with plates of the same on India Paper, Published by order of the Commissioners of Longitude. 4to, London, 1767.

Time and Time Keepers

Adam Thompson, 12mo., London, 1847.

Thickness

Length. Thickness. Length. Thickness. Length. Thickness Length.

To Blue Screws

See Blueing Pan.

Tail Stock

The sliding block or support in a lathe that carries the tailscrew and back-center, as shown at A, Fig. 299.

Three-Quarter Plate

A watch in which enough of the upper plate is cut away to allow of the balance vibrating on a level with the plate.

Timing

See Adjustment.

Timing Screws

Quarter screws of a compensation balance.

TOMPION, THOMAS. Born in 1638 and died in 1713. He was buried in Westminister Abbey.

Turns

A small dead center lathe used but little in this country.