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Screw Chuck – Skive

Screw Chuck

A solid chuck having a threaded hole in the end for the reception of cement brasses, laps, etc., as shown in Fig. 81.

A chuck having a large opening in the end with square shoulders for the work to rest upon as shown in Fig. 82.

He died March 3, 1702, and was buried in St. Helen's church, London.

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

In the lever escapement, a pin that when the hands are turned backward, prevents the pallets leaving the escape wheel.

A center pinion which allows the barrel to recoil when the mainspring breaks.

A plate of hard steel in which are threaded holes of various sizes, for making screw threads.

A tool for producing screw threads in holes.

A mathematical instrument, consisting of two rulers connected at one end by a joint; mostly used for measuring wheels and pinions.

A clock adjusted to measure sidereal time. It usually numbers the hours from 0 to 24. See Time.

A soft, white, precious metal, very malleable and ductile and capable of taking a high polish. For Silver Plating, see Electro-Plating

A circular disc of soft iron charged with diamond upon its edge and is used for slicing the harder stones.