Artifact Details Title FK51 repeater flip-flop module Catalog Number 102730862 Type Physical object Description This is a one sided board consisting of transformers, resistors, capacitors, diodes and transistors. "SDS 1962" copyright symbol is printed in white on component side. It has a 47 pin blade connector. Date ca. 1962 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif Identifying Numbers Model number FK51 Printed in black on paper label on handle. Other number 100353G Stamped in black at top edge on circuit side. Serial number 092459 Typed in black 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