Artifact Details

Title

Comptometer adding machine

Catalog Number

102732563

Type

Physical object

Date

ca. 1915

Manufacturer

Felt and Tarrant Mfg Co.

Place Manufactured

Chicago

Identifying Numbers

Serial number 114110 Stamped into the top plate.

Dimensions

overall: 6 in x 12 1/4 in x 14 5/8 in

Description

This 12/13 comptometer has no comptometer logo. The error detection mechanism is inside the box and has a RED release button, which was standard on a model F. Serial numbers for these models starts at 100,000. Production on these model F's lasted for 5 years.

Category

Calculator/mechanical

Credit

Gift of Lawrence Livermore National Laboratory (LLNL)

Lot Number

X4575.2008