Artifact Details

Title

Whirlwind 102 program counter

Catalog Number

102733457

Type

Physical object

Date

1951

Manufacturer

Massachusetts Institute of Technology (MIT)

Identifying Numbers

Model number 102 Printed in white paint on both the top center of the panel and the lower right corner of the underside.
Other number 033717 Typed on a red paper label at the lower left corner of the underside; this label is also printed with the strings "LX" and "148."
Other number A15-3 Handwritten on a white paper label at the lower right corner of the underside.
Serial number 6 Printed in white paint on both the top center of the panel and the lower right corner of the underside.

Dimensions

overall: 11 5/8 in x 26 in x 8 1/4 in

Description

The object is a metal panel with a phenolic board mounted underneath. There are sockets for nine octal vacuum tubes, all are populated, and there is one hole in the board with no socket. There are 14 BNC connectors around the edges, and one 29-pin connector on the left side. A screen-printed label in the center of the top, and on the lower-right of the underside, reads "102 PROGRAM COUNTER SERIAL # 6." In the same locations are pieces of adhesive tape with the typed message "PANEL MODIFIED SEE CIRCUIT SCHEMATIC." There is a bracket on the underside with two white indicator lights.

Category

Component/module

Credit

Gift of Compaq Computer Corporation

Lot Number

X7422.2015