Anglo-American Oil Co., Ltd. xii Barbet-Massin, Popelin & Cie (_France_) xi Coan, Robert W. vi Eisemann Magneto Co. xii "Geographia," Ltd. vi Hasler Co., The viii Jones Brothers, Ltd. xi Mallinson, Wm. & Sons, Ltd. ix Mea Magneto Co., Ltd. xiii Owen, Joseph & Sons, Ltd. xi Piggott Brothers & Co., Ltd. xi Pratt's Motor Spirit xii Rogers Brothers xi & xiv Valdenaire, H., Adenet & Cie (_France_) xiii Vandervell, C.A., & Co. viii White & Poppe, Ltd. vii Whiteman & Moss, Ltd. viii ~Aeroplane Builders.~ Blackburn Aeroplane Co. vii British & Colonial Aeroplane Co. Ltd., inside front cover Doutre, Appareils d'Aviation (_France_) v Howard-Flanders, L., Ltd. xi Martin & Handasyde x Sopwith Aviation Co. ix Vickers, Ltd. xv ~Aluminium.~ Coan, Robert W. vi ~Aviation Garments.~ Burberrys' vii ~Bearings.~ Hoyt Metal Co., Ltd. vi ~Castings.~ Coan, Robert W. vi ~Carburettors.~ White & Poppe, Ltd. vii ~Dynamos.~ Eisemann Magneto Co. xii ~Electric Lighting.~ Vandervell, C.A., & Co. viii ~Engines.~ Kemp Machine Works (_U.S.A._) xiii Wolseley Tool & Motor Car Co., Ltd. vi ~Fabrics.~ Barbet-Massin, Poplin & Cie (_France_) xi Continental Tyre & Rubber Co. (Gt. Britain) Ltd. vii Jones Brothers, Ltd. xi Rogers Brothers xi & xiv Valdenaire, H., Adenet & Cie (_France_) xiii ~Flying Schools.~ Blackburn Aeroplane Co. vii British & Colonial Aeroplane Co. Ltd., inside front cover Doutre, Appareils d'Aviation (_France_) v Howard-Flanders, L., Ltd. xi Martin & Handasyde x Sopwith Aviation Co. ix Vickers, Ltd. xv ~Garage.~ Cox, G.H. & Co., Ltd. vi