Artifact Details Title SDS 940 disk drive actuator and arm Catalog Number 102654810 Type Physical object Description Object appears to be a head actuator assembly for a single 24 inch disk. There are four pneumatically loaded head assemblies, two upper and two lower. Actuation appears to be by linear electric motor. Date 1966 Manufacturer Scientific Data Systems (SDS) Identifying Numbers Other number 0662 Ink stamped onto end pieces Other number 13 Handwritten in ink on actuator arm Other number 5313 Ink stamped onto end piece Serial number X10005500 Metal stamped into back plate Dimensions overall: 4 3/4 in x 22 in x 6 in Category Memory/disk Credit Gift of Carl Baltrunas Lot Number X4293.2008
