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Artifact Details

Title

Slide Rule magnifier

Catalog Number

102690947

Type

Physical object

Description

Stamped on the side of the object 'K&E Co NY".

Manufacturer

Keuffel & Esser Co.

Place Manufactured

U.S.A.

Identifying Numbers

Model number

4185C

Dimensions

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

Category

Pre-computer/slide rule