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Artifact Details

Title

Fraction of an inch adding machine (circular stylus adder or slide rule)

Catalog Number

B1635.01

Type

Physical object

Description

Object is a circular stylus adder designed to add fractions together. It bears the following notations: "Fraction of an inch adding machine;"
"Waldes Truarc retaining rings" written on top surface;" "K. Jaeger."

Date

undated

Manufacturer

Waldes

Place Manufactured

Dimensions

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

Collection Title

Gwen Bell artifact and book collection

Series Title

Pre-computing artifacts

Lot Number