The object is a large metal circuit carier with a phenolic board mounted underneath. It has 10 vacuum tube sockets, 5 are populated. Various BNC jacks and two multiconductor connectors are mounted on the top. There are two pairs of indicator lights on the bottom. The labeling of these indicators and many of the BNC connectors suggest that this register has two flip-flops, identified as "A" and "B".
Date
1951
Identifying Numbers
Model number
203
Printed in white on top plate in upper left corner and on underside unit
Other number
F5 8
Hand written on white paper label on unmderside of unit.
Serial number
SERIAL # 5
Printed in white on top plate in upper left corner and on underside unit.