| Notes |
Associated Iliffe Press, Bassett-Lowke, Black and Decker ("Handy-Utility" electric drill), British Model Aircraft Manufacturing Co. (Skyleada Curtiss Hawk), Buck & Ryan, F.Burnerd, Chloride Batteries, R.J.Deaves, Electronic Developments (radio control), Precision Model Engineering Co., The Quickdraw Co., Ripmax Limited, H.Rollet & Co., Donald Ross & Partners (the "Twinner" universally adjustable magnetic clamping device), Royal Air Force, Royal Navy, Rozalex Limited, S.C. Metal Sale & Servicing Co., Graham FarishHamblings, Heller & Sons (Engineers), Kennion Bros., E.Law & Son (Timber), Percival Marshall & Co., Modelcraft, Multicraft Tools, The Munster Chemical Co., Myford Engneering Co., John M.Perkins & Smith, Popular Mechanics Co., Dick Simmonds & Co., Spiral Saws (the Tyler Minor bandsaw), S.Tyzack & Son, Victa Engineering Co. (Hobson 3 1/2" lathe), Walkers & Holtzapffel (the Romford motor coach bogie for "00" gauge), |