ClipArt ETC
A clutch in which one part turns the other by the friction between them

Friction Clutch

A clutch in which one part turns the other by the friction between them

The clamp has two horizontal arms at the side, the lower arm carrying a screw that, by means of the handle, can be screwed up tight against the under side of the bench. The vise is of steel and has two jaws having roughened faces to give a good bite or hold on the work when placed between the jaws.

Hand Vise, Clamped to Bench

The clamp has two horizontal arms at the side, the lower arm carrying a screw that, by means of the…