British aircraft industry : a directory of Aircraft, Aero-Engines Component Parts, Accessories and Materials, 1939 / The Society of British Aircraft Constructors bbc engineering training manuals Microphones / by the staff of the BBC, Engineering Training Department paper on high-speed tool steel, its manufacture and use / read before The Coventry Engineering Society by J.M. Gledhill Engineer field manual b.r. Naval marine engineering practice / Ship Department, Admiralty Classic War Themes / Geoff Lowe Conducts The London Philharmonic Orchestra ; Produced by Anton Kwiatkowski : Recording Engineer: Peter Bown