Artifact Details

Title

Circular slide rule

Catalog Number

102627852

Type

Physical object

Manufacturer

American Ordnance Association

Dimensions

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

Description

Elementary circular slide rule mounted on a rectangualr plastic card - an advertising give-away. Instructions for multiplication and division printed on the circular rotating scale. "For Armament Preparedness" printed on front.

Category

Pre-computer/slide rule