"Digits" printed in the top left corner on the front.
Printed in red in the top left corner near the words "in out resiter".
Printed on the back.
Printed in the top left corner on the front.
overall: 16 in x 26 in x 8 1/2 in
The object is a metal panel bearing sockets for 12 octal tubes (three are populated and one for "V-2 74K7" is bagged separately) and a number of coaxial connectors. There is an printed label in upper left, and on rear circuit board, reads 303 B REGISTER DIGITS 0-15 SERIAL # 9". Partly obscured on both labels is "403 in out register".