Artifact Details

Title

Proportional compass

Catalog Number

B225.82

Type

Physical object

Dimensions

overall: 3/4 in x 6 1/2 in x 1/2 in

Description

Proportional compass with steel major and minor points (at either end). The body of the instrument is silver and the points are black. This sample has scales of lines, circles, planes, and solids. Dimensions are of closed instrument.

Category

Pre-computer/other

Credit

Courtesy Gwen and Gordon Bell

Lot Number

B225.82