The object is a metal panel bearing sockets for 12 octal tubes (4 populated, 8 vacant) and 21 BNC connectors. A screen printed label in upper left, and on rear circuit board reads, "842 PARITY REGISTER SERIAL #29" . There is a similar label on the back. On the back there is a 2 tube plug-in module labled FF#48 with one tube missing.
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Model number
303
Printed in white in the top left corner of the unit.
Other number
F15-5
Handwritten on a white sticker on the underside of the unit.
Serial number
29
Printed in white in the top left corner of the unit.
