Artifact Details

Title

Hexadecimal Adder

Catalog Number

X879.88

Type

Physical object

Description

Object consists of a stylus and adder.

Date

1965 ca.

Manufacturer

International Business Machines Corporation. Field Engineering Division. (IBM)

Place Manufactured

U.S.

Identifying Numbers

Other number 2,797,047 US Patent No. located on back
Other number 229-3168 Printed on upper right corner

Dimensions

overall: 3/8 in x 9 1/4 in x 2 7/8 in

Category

Calculator/mechanical

Credit

Gift of Lester Ungerleider

Lot Number

X879.88