TRAUB STROHM A15, A20 and A25 Single Spindle Automatic Lathe. Three manuals in one: Operating Manual and Technical Description; Cam Layout Instructions and Instructions for Various Attachments including Threading, 2-spindle Drilling and Threading, Small Threading Attachment, Slotting Attachment, Feed Finger, Back-Burring (drilling) and Hydraulic Copying. Also includes two electrical Schematics and pages culled from earlier manuals with specification and technical details missing from the later editions.