The object consists of one (1) logic module with four, black plastic connectors along the left side, each marked "4160881 A O 464 TI." The substrate is covered by a gridded field of square-shaped solder marks. The component-side is covered by eleven silver-tone, square, IBM components; four red-orange components; and eight black components marked "951." A "parts identification" card is extant and remains with the object.
Date
1965 ca.
Manufacturer
International Business Machines Corporation (IBM)
Identifying Numbers
Other number
00 320 221 2733074
Printed within substrate, left-edge of solder side
Other number
279
Incised on one connector, solder-side
Other number
B 8577260
Handwitten within substrate, bottom-left corner of solder-side
Part number
4160881
Printed in white on each of the four connectors, component-side
