Artifact Details Title BL12 Module Catalog Number 102730638 Type Physical object Description Object is a PCB with a handle for extraction. It bears 20 small discrete transistors and other components. Printed on the component side is "AND-BUFFER" and copyright SDS-64. Date 1963 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif., U.S. Identifying Numbers Model number BL12 Printed on label on handle Other number 108309A Stamped on solder side Serial number 2228340 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