This is one of two 738 stacks for the 709 system donated by Paul Pierce. There are two large boards hard-wired to core memory planes. In a bag stored with the object are one circuit board and miscellaneous hardware.
Date
1956 ca.
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Other number
51861
Handwritten in marker on bottom frame left side rear.
Other number
T-17918-8-M-K
Printed on power supply on rear.
Part number
518763
On a blue IBM label attached to wires near middle bottom on rear.
