Artifact Details Title QK52 Module Catalog Number 102730836 Type Physical object Description Object is a PCB with a handle for extraction. It bears 8 discrete transistors and other components. Printed on the component side is "ADDRESS DECODER". On the solder side is one round Inspection stamp. . Handwritten on the label is "B-42". Date 1963 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif., U.S. Identifying Numbers Model number QK52 Printed on label on handle Other number 100340C Stamped on solder side Serial number 041880 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