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Aviation History
1920
1920 - 0778.PDF
with line shafting. Their plummer blocks, hangers, etc., are specially designed with a view both to protect- ing the ball bearings from the in- Rene Tampier, Danemere Street, Putney, S.W. 15. (STAND 78) BLOCTUBE carburettors complete and in parts enable visitors to Two typical Skefko bearings : On the left a double-row self- aligning bearing, and on the right a double-thrust bearing trusion of abrasive substances and to retaining lubricant without wasteful leakage. S. Smith and Sons (M.A.), Ltd., 179-185, Great Portland Street, W. 1. (STAND 91) _ .THE exhibit includes the whole* range of aviatioaHiBWwrmeirts manu-t factured and supplied by the firm. A -j feature of the exhibit is the com-u plete aviation instrument board, type ^ No. AA. 500, and asgg£|al show will be^ made of the new recording air speed -j indicator, and thejitmospheric density^ meter. An instrument which ise, shown for the first time is the Smithi* Boiling Point AHiffietvi : an exclusive design of Messrs. S. Smith and Sons?; (M.A.), Ltd. Thj; instrument is identical with the Smith altimeter, but(!t has in addition,.»a^agpes of red figures round the dial which show the boiling! i, point of water at various altitudes. It will therefore be seen that in the Smith 17 Boiling Point Altimeter the pointer shows the height at which the engine^ is flying and automatically points to the corresponding boiling point of waterjfc for the height, thus allowing a constant study the principle of this ingenious fitting, which was extensively used on aero-engines during the War period. There are on view also the very ingenious Bloctube petrol pump in various-styles, while the Bloctube sys- tem of hand controls is well worth investigation. Tan-Sad Works, 9, Freeman Street, Birmingham. (STAND 35) SPECIAL interest is being taken in the Tan-Sad aeroplane chair, which is designed specially for the job. The back can be removed or replaced as desired, or the chair can be entirely taken to pieces and packed flat, so that in the event of the dismantling of an aeroplane, it can be packed up and transported with the utmost con- venience. A workshop chair on similar lines, but made in steel, can also be seen, as well as an adjustable table. The Telephone Manufacturing Co., Ltd., Hollingsworth Works, Martell Road, West Dulwich, S.E. 21. (STAND 90) THE " Laryngaphone," for inter- communication -on aeroplanes and check to be made on the radiators ^lrshlPs-. and more particular y for use thermometer without reference to any on air lmers< enable^ ^e P'l0*' navi" correction tables or mental calculations -^ Sator or mechanic and steward to carry There are also on view a full range On intercommunication I that 1S to of the Hughes compasses, together withij, Say'-1* 1S Posslble. for the Pllot- by a full range of M-L magnetos and K.L.G. aero plugs. \o y p p y simply pressing a button, to get into communication with any one of the other three. Tire telephone does not The Smith boiling point^indicator The Smith air speed indicator 778 JtlLY 15, I92O pick up any outside noise, and it is claimed that it makes it possible to carry on a conversation under all conditions, at the same time leaving the hands quite free. The complete tele- phone is about the size of a wrist watch, and is attached to the throat by -means of an adjustable band, the receiving tubes being worn under the airman's helmet. In addition there is shown a complete range of automatic intercommunicating telephones from single up to fifty lines' capacity, for general purposes, as well as visual indicators, round call and secret keys, hygienic mouthpieces, etc., also nu- merous types of accessories such as electric bells, terminal boxes, relays, etc. John Thompson Motor Pressings, Ltd., Ettingshall, Wolverhampton. (STAND 24) As the title of this firm would •' indicate, their exhibit consists of steel pressings, some of the most interesting being front nose cowlings of various patterns made in four, five or six sections. Main engine plate pressings are exhibited also. Titanine, Ltd., 175, Piccadilly, W. 1. (STAND 39) TITANINE non-poisonous dope, for which strong claims are made as regards flame-resisting properties, effi- * ciency and economy, is . on view, 'i as well as samples of fabric coated with I Titanine, and the various finishing materials made by the Company, including khaki pigmented oil varnish, transparent oil varnish, white dope resisting paint, and special distinctive colours for commercial machines. Vacuum Oil Co., Ltd., Caxton House, S.W. (STAND 3.) ; CORRECT lubrication is of first • importance in aero-engine operation. Correct lubrication means the elimina- \ tion of guesswork. It means lubrica- Hion specification on a scientific basis, : Mechanical construction—the lubri- • cation system employed—temperature '• encountered : these factors have to be considered in the selection of an oil which will meet all conditions correctly. Close study and wide experience of the problems met in aero-engine lubrica- tion stand behind Gargoyle Mobiloils, the products of the Vacuum Oil Co., Ltd., of which samples are on view. Vickers, Ltd., Vickers House, West- - minster, S.W. 1. (STAND 13) i. DURALUMIN is shown in rolled, drawn, and extruded sections, stampings, machined and pressed parts. One case contains wired- •!* in samples of Vickers' various manu- f factures. In addition, samples of ! manufactured articles in the polished and unpolished state, e.g., spinnings in connection with Calthrop's aerial parachute, airship gas valve, etc., etc., and many other articles of interest is to be seen. jC. C. Wakefield and Co., Ltd., 30-32, Cheapside, E.C.2. (STAND 88) 'SAMPLES of the standard brands of Castrol is available for inspec- tion, including the famous Castrol R, which was used on the R.34 during her Transatlantic trip, Sir Ross Smith's Vickers-Vimy-Rolls, and many other machines which have- accomplished outstanding performances. Wellworthy, Ltd., Lymington, (STAND 84) As a result of their experience in producing and experimenting with
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