COWEY ENGINEERING Co., Ltd., 1 Albemarle Street, London, W. CRAMPTON & Co., 73 Queen Victoria Street, London, E.C. ~CROSLEY, LOCKWOOD & SON~, 7 Stationer's Hall Court, London, E.C. (_Publishers_) DING, SAYERS & Co., Elm Gardens, Mitcham, Surrey DOBBIE McINNES, Ltd., Glasgow, N.B. DRESSER & GARLE, Regent House, Regent Street, London, W. ~DRUMMOND BROS., Ltd.~, Ryde's Hill, Guildford ~EISEMANN MAGNETO Co.~, 43 Berners Street, London, W. ESSEX ACCUMULATOR Co., 499 Grove Green Road, Leytonstone, London, N.E. EVANS (Geo.) & Co., 94 Albany Street, Regent's Park, London, N.W. FLATHER (W. T.), Ltd., Standard Steel Works, Sheffield FRASER BEGG & Co., Ilford. FONTEYN & Sons, 76 Newman Street. London, W. FOULIS (Wilfred), Ltd., Sunbury News, Belford Road, Edinburgh GENERAL AVIATION CONTRACTORS, Ltd., 30 Regent Street, London, S.W. ~GEOGRAPHIA DESIGNING & PUBLISHING Co., Ltd.~, 33 Strand, London, E.C. (_Maps, etc._) HAIM (N. S.), 69 Mark Lane, London, E.C. HANDLEY PAGE, Ltd., 72 Victoria Street, London, S.W. HARRIS & SAMUEL, 10 Dean Street, Oxford Street, London, W. ~HASLER TELEGRAPH WORKS~, 26 Victoria Street, London, S.W. (_Indicators_) HELLEKEN, Ltd., 133 Upper Thames Street, London, E.C. HILL (ROWLAND) & Sons, Ltd., Albion Foundry, Coventry HOBSON (H. H.), Ltd., 29 Vauxhall Bridge Road, London, S.W. HORA (E. & H.), Ltd., 36-38, Peckham Road, London, S.E. ~HOYT METAL Co. OF GT. BRITAIN, Ltd.~, 26 Billiter Street, London, E.C. HUNTSMAN (B.), Attercliffe, Sheffield HURLIN (J.) & Son, 191 Cambridge Road, London, E. JENNINGS, GUILDING & Co., 60 Southgate Street, Gloucester ~JONES Bros., Ltd.~, 12 York Street, Manchester (_Fabrics, etc._) KALKER (E.) & Co., Much Park Street, Coventry KEMPSHALL TYRE Co., 1 Trafalgar Buildings, London, W.C. KIRKBY BANKS SCREW Co., Ltd., Meadow Lane, Leeds LAMPLOUGH & Sons, Ltd., Albion Works, Cumberland Park, London, N.W. ~MALLINSON (Wm.) & Sons~, 130-138 Hackney Road, London, N.E. MARSH (Bros.) & Co., Ltd., Ponds Steel Works, Sheffield MARKT & Co., 6 City Road, London, E.C. ~MEA MAGNETO Co.~, Gresse Buildings, Stephen Street, Tottenham Court Road, London, W. MELHUISH (R.), Ltd., 50 Fetter Lane, London, E.C. MELLIN (F.) & Co., Salisbury Road, Kilburn, London M. P. G. Co., 98 Tollington Park, London, N. MOGUL TYRE Co., Ltd., 15 Carlton House, Regent Street, London, W. MOTOR ACCESSORIES Co., 55 Great Marlborough Street, London, W. MOTOR AVIATION Co., Ltd., 628 Martin's Lane, London, W.C. NOBLES & HOARE, Ltd., Cornwall Road, Stamford Street, London, S.E. NORTH BRITISH RUBBER Co., Ltd., Castle Mills, Edinburgh ~OWEN (Joseph) & Sons, Ltd.~, 199a Borough High Street, London, S.E. (_Aeroplane Woods_) PALMER (L. N.), 9a Trevelyan Road, Tooting, London, S.W. PALMER TYRE Co., Ltd., Shaftesbury Avenue, London, W.C. ~PIGGOTT Bros. & Co., Ltd.~, 220, 222, 224, Bishopsgate, London, E.C. POLDI STEEL Works, Napier Street, Sheffield