Details

Type

Physical Object

Title

Type 706 Williams-Kilburn Tube Electrostatic Memory

Manufacturer

International Business Machines Corporation (IBM)

Date

1953

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

Accession Number

X1284.96