Artifact Details Title Standard Modular System (SMS) card Catalog Number 102735066 Type Physical object Description The module consists of 6 resistors and 4 transistors. "N"is handwritten on component side. "AM" is soldered on circuit side. There is an illegible deprecated LLNL number. Date 1959 Manufacturer International Business Machines (IBM)) Identifying Numbers Other number AM ZX 371202 Stamped on upper left edge on component side. Other number EC 108613 Stamped on lower left edge on component side. Other number YBJ07G UL Stamped on lower right edge on component side. Dimensions overall: 3/8 in x 2 5/8 in x 4 1/2 in Category Component/module