The object is a metal panel bearing sockets for 12 octal tubes (10 populated, 2 vacant) and 21 BNC connectors. A screen printed label in upper left, and on rear circuit board reads, "303 B REGISTER DIGITS 0-15 SERIAL # 8". Partially, obscured red label is "403 in out register".
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Model number
303
Printed in white in the top left corner of the unit.
Serial number
12
Printed in white in the top left corner of the unit.
