Artifact Details

Title

Thatcher's Rule

Catalog Number

B29.77

Type

Physical object

Date

ca. 1920

Manufacturer

Keuffel & Esser Company

Identifying Numbers

Model number 4012 (on label inside top of box)
Serial number 5106 (on label inside top of box)

Dimensions

in box: 6.5 x 24 x 6 1/2 in

Description

A large cylindrical slide rule with a wooden box.

Category

Pre-computer/slide rule

Subject

Hand calculation; Slide rule; Analog; Oughtred, William

Collection Title

Gwen Bell artifact and book collection

Series Title

Pre-computing artifacts

Credit

Gift of Gwen and C. Gordon Bell

Lot Number

X6288.2012