Artifact Details Title 21MX computer series reference manual Catalog Number 102776403 Type Document Date 1976-06 Publisher Hewlett-Packard Company Place of Publication Cupertino, Calif. Identifying Numbers Part number 02108-90002 Extent 1 volume (various pagings) Category Catalog Collection Title Al Kossow collection Credit Gift of Al Kossow Lot Number X6512.2012