Meddings Pacera Maxam Air-hydraulic Power Feed Units and Pacera Unit Heads, type HDH and HGH. Operator's Instructions and Parts Manual as Exploded Component Drawings. Drawings. Or, for details on how best to employ this type of drill the book shown below is a valuable guide to all matters "drills and drilling".

Lorch "Manufacturing Programme" Circa early 1950s. Gives basic details of the lathes types (and subtypes) AV1, BV1, BV1R, LLPN, BP, AVI, LLRGNJ, AVIRG, AVI, LAN, BIIZ, D27, ARR (Type LLN), ARS (Type AVI), HDH (Type AVI), WW and "Geneva" Watchmakers. 9 pages. For the Model B11Z there is an annotated diagram that shows what the various levers and controls do.