Description:

Unable to decode unable to decode, 1.975 inches outside diameter, screw on attachment method, 1/1 1/4 1/9 1/10 1/100 1/1000 m/10 m/100 m/1000 100/1 10/1 clockwise single scale scale direction and range.

Special Features:

Marked multiply by on knob, 11 equally spaced recesses on back of skirt

Properties:

A dial designed to be connected to a tuning or selecting mechanism to position the mechanism to some value within its adjustable range. It is designed to be read in conjunction with a vernier indicator, pointer, or like instruments which may or may not be an integral part of the item. May include a knob. For items with one graduation, letter, or symbol, or marked to indicate the position of items such as a valve, brake, or two position switch, see knob or handwheel. See also dial, scale.