CHARTERED PATENT AGENTS.

38, CHANCERY LANE, LONDON, W.C. Aero and Motor Patents a Specialty. Instructive leaflet free to any addre . Telephone, 1763 Central Telegrams: "NOTIONS, London." Estab. 1879. IMG:4965555019825936185_ill_010a.jpg:Mobile Aircraft Repair Shop IMG:4965555019825936185_ill_010c.jpg:Light treadle driven Radial Drill, taking up to 1 in. drills (½ in. shank.) This machine is of special design, a patented form of high speed drive giving ample power for drilling by foot. With treadle and fast and loose pulley. Price £24 15s. Light treadle driven Radial Drill, taking up to 1 in. drills (½ in. shank.) This machine is of special design, a patented form of high speed drive giving ample power for drilling by foot. With treadle and fast and loose pulley. Price £24 15s. We specialise in Light Machine Tools for use in portable workshops, such as are used in connection with aircraft. The above is a photograph of a Travelling Workshop equipped with our 5 in. lathe and Radial Drill, both of which tools are fitted with treadle and electric motor drive. Full particulars of machines and installations furnished on application. IMG:4965555019825936185_ill_010b.jpg:5 in. Centre Screw Cutting, Surfacing and Boring Lathe here shewn, with counter shaft for power. With counter shaft or treadle drive. Price £44. 5 in. Centre Screw Cutting, Surfacing and Boring Lathe here shewn, with counter shaft for power. With counter shaft or treadle drive. Price £44. Also 4 in., 3½ in., 6 in., 7½ in., 9 in. lathes, etc. DRUMMOND BROS. LTD., REDE WORKS, GUILD FORD, SURREY. 'Phone 153, Guild ford. Telegrams: "Lathes, Stoughton." "TEL" REVOLUTION SPEED INDICATORS. Approved and used by the British Admiralty. Owing to its conjugate movement it is accurate, po e es a uniform graduated dial and is not affected by vibration or variation of temperature. Indicates with the same accuracy high and low speeds. Independent of variable strains, friction. Not damaged should maximum speed of dial be exceeded. Rain and dust-proof. Requires no upkeep or adjustment of mechanism. Tel. 431 Victoria.