This object consists of one (1) logic module with eight, black plastic connectors; four along each long-side. The substrate is covered by a gridded-field of square-shaped solder marks. The component-side is covered by four silver-tone, square, IBM components; sixteen red-orange components; and a variety of others. The solder-side has three connections made by thin copper wire.
Date
1965 ca.
Manufacturer
International Business Machines Corporation (IBM)
Identifying Numbers
Other number
01 B 3S 221 1600732
Printed on edge of substrate, solder-side
Other number
050
Incised on two connectors; one on solder-side, one on the component-side
Part number
4023501
Printed on four of the eight connectors, component-side
