This module has seven (7) socket positions and is populated with six (6) tube. The second position is sealed off. The tube in the center position is large, the tube on the left side is medium sized, and the rest are small, There are 11 PC boards with passive components below the tube sockets, two of which have only a single wire-wound power resistor, and are connected to three male parallelogram shaped connectors.
Date
Nov. 1958
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
3087009 00434
Stamped on top center of frame in black ink
Other number
6019 6018
Written on white circular label on left inside of handle
Other number
D 3087009 00434
Printed on top line of paper label on front of handle
Other number
XD B02 N C
Printed on second line of paper label on front of handle
