Air Ministry Contracts: A List of the Principal Orders, etc., Placed During the Months of May and June

Armstrong, Whitworth Aircraft, Ltd., Coventry.—Aircraft, Reconditioning of: Supermarine Aviation Works (Vickers), Ltd., Woolston. Aircraft, Spares: Blackburn Aeroplane & Motor Co., Ltd., Brough; Westland Aircraft Works, Yeovil.—Bitumen: Asiatic Petroleum Co., Ltd., London, E.C.—Blocks, Terminal: Oliver Pell Control, Ltd., London, S.E.—Brushes: C. H. Leng & Sons, Birmingham.—Camera Spares: Thornton Pickard Manufacturing Co., Ltd., Altrincham.—Canvas Duck: Jas. Stott, Ltd., Oldham.—Coats, Great: L. Silberston & Sons, London, E.—Cylinders: Walter Kidde Co., Ltd., Hanwell.—Dopes and Identification Colours: Nobel Chemical Finishes, Ltd., Slough.—Engines, Aero, Reconditioning and Spares: Bristol Aeroplane Co., Ltd., Filton.—Engines, Aero, Spares, Repair of: D. Napier & Son, Ltd., London, W.—Engines, Aero, Spares: Rolls‐Royce, Ltd., Derby.—Glycerine: D. Thorn & Co., Ltd., Pendleton.—Landplane: De Havilland Aircraft Co., Ltd., Edgware.—Lay‐out of Moorings and Mark Buoys: Thos. Round & Sons, Scarborough.—Limousines, Humber, Pullman: Rootes, Ltd., Coventry.—Locomotive, Diesel: F. C. Hibbard & Co., Ltd., London, N.W.—Magnetos: British Thomson‐Houston Co., Ltd., Coventry; Rotax, Ltd., London, N.W.—Mahogany: M. A. Morris, London, N.—Nippers: Wynn Timmins & Co., Ltd., Birmingham.—Pantaloons: L. Silberston & Sons, London, E.—Plugs and Sockets: Vickers (Aviation), Ltd., Weybridge.—Pumps, Fuelling: Zwicky, Ltd., Slough.—Thermometers, Radiator: Negretti & Zambra, London, E.C —Transmitters: Standard Telephones and Cables, Ltd., London, N.W.—Trays for Racks: Hobbies, Ltd., Dereham.—Valves W/T: Edison Swan Electric Co.,Ltd., London, W.C.—Waistcoats, Life Saving: Robinson & Cleaver, Ltd., London, W.