Artifact Details

Title

The Binary slide rule, a circular slide rule

Catalog Number

X287.83

Type

Physical object

Place Manufactured

U.S.

Identifying Numbers

Model number The Binary Slide Rule
Other number see note "COPYRIGHTED 1940" one one side and "COPYRIGHTED 1931" on the other.

Dimensions

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

Copyright Holder

Unknown

Description

Large circular slide rule with scales on both sides. Despite the term "binary" in the object name, there are no binary scales.

Category

Pre-computer: slide rule

Credit

Gift of Jacqueline Tyrwhitt

Lot Number

X287.83