Artifact Details Title Maintenance library manual (MLM) for the 3830-2 disk control unit Catalog Number 102786312 Type Text Date ca. 1975 Publisher IBM Corp. Identifying Numbers Serial number 40342 Description Volumes 1-3, each of which contains one or more sections of the document. There are two copies of volume 1. Category Manual Credit Gift of Les Warner, Apex Data Processing Lot Number X7909.2017