The object is a module with nine tube socket positions, eight of which are populated. All populated positions have medium sized tubes. The sockets are framed by a metal handle. Below the sockets is a chassis holding 12 PC boards with passive components. The PC boards are connected to three male parallelogram shaped connectors at the rear. There is one inspection stamp on the top center of the frame
Date
ca. 1958
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
3087035 000177
Stamped on top center of frame in black ink
Other number
6061 6062
Written on white circular label on left inside of handle
Other number
CQ B02 B C
Printed on first line of paper label on front of handle
Other number
D 3087035 000177
Printed on first line of paper label on front of handle
