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.
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
Category
Component/other
Credit
Transferred from the Natural History Museum of Los Angeles County
