Artifact Details Title Moving-head disc operating system Catalog Number 102786593 Type Text Date 1971-03 Publisher Hewlett-Packard Company (HP) Identifying Numbers Document number 02116-91779 Extent 1 volume (various pagings) Description "Moving-head disc operating system" is the programmer's guide for the HP moving-head disc operating system (DOS-M). Category Manual Collection Title Al Kossow collection Credit Gift of Al Kossow Lot Number X6512.2012