Artifact Details Title HK51 Module Catalog Number 102730802 Type Physical object Description Object is a PCB with a handle for extraction. It bears 13 discrete transistors and other components. Printed on the component side is "DISCRIMINATOR". On the solder side is one round, one triangular, and one square inspection stamp. Date 1963 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif., U.S. Identifying Numbers Model number HK51 Printed on label on handle Other number 100303C Stamped on solder side Serial number 051131 Printed on label on handle Dimensions overall: 6 in x 5/8 in x 5 5/8 in Category Component/module Credit Gift of Rudolf F. Wrobel Lot Number X3736.2007
