Artifact Details Title HK59 sense amplifier module Catalog Number 102730858 Type Physical object Description It is a one sided printed circuit board with five replicated sense amplifiers consist of transistors, resistorsand capacitors . It has a 47 pin blade connector. "SDS-62" copyright symbol is printed in white on circuit side. Date ca. 1962 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif Identifying Numbers Model number HK59 Printed on a paper label on handle. Other number 102053A Stamped in black on top edge on circuit side. Serial number 056245 Typed on paper label on handle. 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