Artifact Details Title AX12 module Catalog Number 102730594 Type Physical object Description Object is a PCB with handle for extraction. It bears two rows of discrete transistors and 6 screw-adjustable resistors. Printed on the component side is "SCHMITT TRIGGER". Date 1963 Manufacturer Scientific Data Systems (SDS) Place Manufactured Santa Monica, Calif. U.S. Identifying Numbers Model number AX12 Printed on label on handle Other number 100832E Stamped on solder side Serial number 6166755 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