The object is of unknown function and contains discrete transistors and resistors. The Standard Modular System (SMS) card is single sided and has 16 printed finger pins along one edge. There is only one sample of this particular model number.
Date
Circa 1959
Manufacturer
International Business Machines (IBM)
Identifying Numbers
Model number
371320
Stamped along the edge of the component side of the board
Other number
EC 109897
Stamped along the edge of the component side of the board
Other number
YBC09JUL2
Stamped along the edge of the component side of the board
