Artifact Details Title HK59 sense amplifier module Catalog Number 102730857 Type Physical object Description It is a one sided printed circuit board with five replicated sense amplifiers consisting of transistors, resistorsand capacitors . It has a 47 pin blade connector. "SDS-62" copyright symbol 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 paper label on handle. Other number 102053A Stamped in black at top edge on circuit side. Serial number 060175 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