if anyone can supply me with a copy of below: "Der Feldfernschreiber" (The Field Text Writer, technical manual for = Siemens model A1/A2 Feldschreiber), printed by the Deutschen Zentraldruckerei, = Berlin D 748/1 dated 1/4/41. = or any other material on Hellschreiber operations, I would be most oblige= d. Ben G4BXD (pics of machine at: www.qsl.net/g4bxd German section)