Artifact Details

Title

Harvard Mark II/III drum read-write head assembly

Catalog Number

102732496

Type

Physical object

Description

The object is one of a pair of drum read-write head assemblies from the Harvard Mark II or Mark III. Attached to the metal bracket are 24 read-write heads in two rows of 12 each. Also attached to the bracket is a male connector with 24 pins. All of the read-write heads are labeled HARVARD COMPUTATION LABORATORY.

Date

ca. 1947

Identifying Numbers

Other number 6556 Etched on the metal bracket
Other number 6556 Embossed on a metal tag attached to the metal bracket

Dimensions

overall: 3 1/2 in x 15 in x 12 in

Category

Memory & storage/drum