Artifact Details Title SMS card Catalog Number 102716654 Type Physical object Description There are two identical Standard Modular System (SMS) cards consisting of transistors, resistors, capacitors and diodes. There are inspection stickers on the back of the boards. Date Circa 1959 Manufacturer International Business Machines (IBM) Identifying Numbers Other number 5012457 Printed at top edge on circuit side. Other number 5012458 Printed at top edge on component side. Other number B90A2 Printed at top edge on component side. Dimensions overall: 1/2 in x 6 in x 2 7/8 in Category Component/module Credit Gift of Paul Pierce Lot Number X7021.2014