Artifact Details

Title

Type 706 Williams-Kilburn Tube Electrostatic Memory

Catalog Number

X1284.96

Type

Physical object

Date

1953

Manufacturer

International Business Machines Corporation (IBM)

Place Manufactured

New York, NY, US

Identifying Numbers

Model number Type 706
Other number #3 Handwritten in pencil
Other number 187 Handwritten in pencil

Dimensions

overall: 11 1/4 in x 3 3/4 in x 20 in

Description

One Williams-Kilburn tube memory unit (holding two CRT tubes) from the engineering prototype of the IBM 701 (actually IBM Type 706 Electrostatic Memory Unit). Each unit holds 2 type IBM Model 85 3-inch cathode ray tubes, which were specially designed for Williams-Kilburn storage use.
Although the magnetic shields for the CRTs are installed, the actual CRTs have been removed. See Accession Number 102626872 for an actual tube.

Category

Memory: electrostatic

Lot Number

X1284.96