Artifact Details

Title

Z23 drum unit

Catalog Number

102667930

Type

Physical object

Description

This is a large grey metal enclosure with "garage-door" style vertical covers for the front. On the otherwise plain back surface there is a fan. Both side surfaces are plain. At the top of the inside of the enclosure there is a card rack containing four horizontal rows of cards. To the left of the cards there is a panel labeled GESPERRT holding 16 toggle switches. Below this panel there are two cable connectors. Mounted on the floor of the enclosure, from right to left, are a motor-generator set, a cylindrical unit mounted on a vibration dampener, and a small metal box with a power connector. The cylindrical unit has a motor on top of a cylindrical arrangement of eight vertically mounted narrow boxes attached to a central core.

Date

1961 ca.

Manufacturer

Zuse

Identifying Numbers

Other number 14.87.103.2 Computer Museum Aachen deprecated registraction number. Handwritten in black at top of machinne
Other number 14.87.32.2 Computer Museum Aachen deprecated registraction number. On adhered label on left side of machine
Other number 32173763 Found imprinted in small metal label in the left corner on the right side of the machine

Dimensions

overall: 63 3/4 in x 51 1/4 in x 29 3/4 in

Category

Memory/drum

Collection Title

SAP Collection

Credit

SAP Collection, Computer History Museum

Lot Number

X3709.2007