Artifact Details

Title

JOHNNIAC unit

Catalog Number

102733628

Type

Physical object

Date

1953

Place Manufactured

Cedar Grove, N.J.

Identifying Numbers

Model number TR241R Found on the metal label on the power supply inside the unit.
Other number 017113904-A Barcode sticker from North American Van Lines found on a side door.
Other number 2 Handwritten on the inside on the on of the green doors.
Serial number 357 Found on a metal label on the power supply inside the unit.

Dimensions

overall: 33 3/4 in x 25 1/2 in x 15 in

Description

The record contains a unit from the JOHNNIAC system. There are four doors. on the narrow sides tan doors open to reveal cables and the sides of a metal chassis. On one tan door is a North American moving sticker The two green doors open to reveal a power supply and a card cage with three rows of modules. All the modules are transistor. There is an Electronic Resource Association Inc. (ERA) transpact power supply inside the machine above the cicuit cards. Below the green door is a silver metal vent with a three pronged. To the right of the vent's bottom right corner is a three pronged connector.

Category

Component/other

Credit

Transferred from the Natural History Museum of Los Angeles County

Lot Number

X1006.89