Artifact Details

Title

Whirlwind 404 comparison/601 check register

Catalog Number

102733231

Type

Physical object

Date

1951

Identifying Numbers

Other number 404 COR DIGIT 15 Engraved in white ink on a black plastic label attached to the lower right corner of the back of the metal panel.
Other number F3-6 Written in black ink on a white label attached to the lower right corner of the back of the metal panel.
Serial number 32 Stamped in yellow ink in the center of the top of the metal panel.

Dimensions

overall: 8 1/4 in x 26 in x 11 3/4 in

Description

The object is a large metal panel with tube sockets and BNC connectors mounted on top and a phenolic board mounted underneath. It has 9 vacuum tube sockets, five of which are populated. 18 BNC jacks and a multiconductor connector are mounted on the top of the panel around the edges. The string "601 CHECK REGISTER" is printed in white ink in the center of the top of the panel, and below that "404 COMPARISON REGISTER" is printed in red ink. Most BNC connectors are labeled with engraved plastic labels mounted near each connector. The tubes are labeled with white printing on the panel near each tube socket. The phenolic board mounted to the back of the panel contains numerous studs between which components and interconnecting wiring is mounted. One pair of indicator lights with clear lenses is mounted by a bracket attached to the bottom of the metal panel.

Category

Component/module

Credit

Gift of Compaq Computer Corporation

Lot Number

X7422.2015