Artifact Details

Title

The Binary Slide Rule, circular slide rule

Catalog Number

X794.86

Type

Physical object

Identifying Numbers

Other number 1940 and 1931 Copyright dates of 1940 and 1931 on the two sides

Dimensions

overall: 1/2 in x 8 1/4 in x 8 7/8 in

Description

Large circular slide rule. Despite the name "binary" there are no binary scales on the device.

Category

Pre-computer: slide rule

Lot Number

X794.86