Artifact Details Title GH14 gate expander module Catalog Number 102731043 Type Physical object Description The object is a one-sided printed circuit board with 47 soldered-on blade connector pins. It has only diodes and resistors as soldered-on components. There is a copyright annotation of "SDS-63" on the component side of the board. Date 1963 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif. Identifying Numbers Model number GH14 Printed on a label affixed to the board extractor Other number 104431B Stamped in black on the solder side of the board Serial number 5720245 Typed on a label affixed to the board extractor Dimensions overall: 5/8 in x 6 in x 5 5/8 in Category Component/module Credit Gift of Rudolf F. Wrobel Lot Number X3736.2007