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Aviation History
1924
1924 - 0664.PDF
JfiSK OCTOBER 9, 1924 AIR POST STAMPS By DOUGLAS B. ARMSTRONG Trans-American First Flight ONE dollar-fifty (about Is. 6d.) each is the price quoted in the U.SA. for " first flight covers " of the regular New York- San Francisco service inaugurated on July 1. Each of the 15 intermediate air mail stations was supplied with a special cachet for use on that day, in the form of a rectangle measuring 2f by -$ and enclosing the following inscription, in four lines :— Via Air Mail—on first trip of new schedule involving night flying on Trans-Continental Air Mail Route. This rubber stamp was applied indifferently in red, blue, purple, or black ink. Adelaide-Sydney First Flight THE modest price of Is. each is asked by an Australian firm for flown covers carried on the first mail flight between Adelaide and Sydney on June 2-4, 1924. No distinguishing marks were officially applied, but in some cases the senders themselves added the superscription " Per First Aerial Mail." The mail, consisting of five bags, was, however, back-stamped on arrival at the G.P.O. with the regular Sydney postmark of June 4, 1924, which in conjunction with the Adelaide date stamp of two days previous gives proof of authenticity. Berlin-Angora Air Mail RECENT notable flights have produced some interesting additions to the air post collection. Prominent amongst them are letters carried on the experimental air mail flight from Berlin to Angora, by the Junker seaplane, on July 5, 1924. A mail of approximately 250 letters was conveyed by the pilot Herr Zimmermann, each of which bore a specially- designed label in blue and sepia with a vignette of an aeroplane in flight, reminiscent of the Chinese air post stamps. One thousand of these semi-official air mail stamps were printed and sold for 2 gold marks each as a contribution towards the expenses of the undertaking. At the eleventh hour the German post office decided to recognise the flight officially and to handle the mail, with the result that the " flown covers " bear the Berlin-Luftpost as well as the official Angora postmarks, in addition to circular cachets lettered respectively " Erster Flug Berlin-Angora, Berlin 5.7.24 " and " First Trip Berlin-Angora, Angora 6.7.24." It is understood that special air post stamps, as well as cachets, have also been provided for use on letters carried by the airship ZR3 on her transatlantic flight. Stockholm-Berlin Night Flight ABOUT 150 letters were transmitted by air in either direction when the first night mail flights between Berlin and Stockholm and vice versa took place on August 18 of this year. Those originating in Berlin bear the regulation air post cancellation of August 14, on which date the flight was originally scheduled to be made, supplemented by a rubber-stamped inscription in German explaining the cause of the delay. Air mail letters from Stockholm show the despatch mark of that city, dated August 18, 1924, together with the Hamburg (Luftpost) receiving mark of the same date, as owing to fog the seaplane carrying the mail was unable to complete the trip. German Glider Postcards SOUVENIR postcards impressed with an official air mail stamp of varying denomination were issued in connection with the annual German light 'plane week, held this year at Wasserkuppe (near Frankfort). A special cancellation was also applied to these cards, which were flown by glider to Frankfort and thence despatched to destination. The total number issued is said to have been 6,000 at 5 pfennigs, 3,000 at 10 pfgs. and 1,000 at 20 pfgs. Brazilian Air Postcards FEW air post collectors seem to be aware of the existence of special postcards intended for use in the air post service, then projected, that were printed in Brazil about five years ago. They consist of the ordinary Brazilian 100 reis postcard with impressed stamp, overprinted " CORREIO AEREO " above a winged device surmounting the inscription " Handley Page, Ltd.—B.900. 500 reis." A certain number of these air postcards are believed to have been carried on an experimental flight from San Paulo to Rio de Janeiro towards the end of 1919. Any information that readers of FLIGHT can supply regard- Sx^^^xV^ W,^ MI ^cyst ^\W be -wekomed by trie writer. SOCIETY OF MODEL AERONAUTICAL ENGINEERS (London Aero-Models Association). THE competition for FLIGHT Challenge Cup will be held at the Sudbury Hill Flying Ground on Saturday, October 11, at 3 p.m. Also on this date the preliminary trials for the Self-righting Glider Competition will take place, the com petition being held on the same ground on the following Satur day, October 18, at 2 p.m. A. E. JONES, Hon. Sec. PUBLICATIONS RECEIVED The Mechanical Boy.—A new weekly journal, entitled The Mechanical Boy and published by Percival Marshall and Co., has recently made its appearance, and, judging from the first number before us, this new magazine be " just the thing " for all youngsters of a mechanical and scientific turn of mind. It deals with a variety of subjects, theoretical and practical, amongst which may be mentioned aviation, wireless, steam ships, locomotives, etc. The price of each number is 3d. Aeronautische Mcteorologie. By Fritz Fischli. Richard Carl Schmidt and Co., Lutherstrasse 14, Berlin, W.62. Institution of Automobile Engineers, Proceedings. Vol. XVIII, Part 1 : Report of the Empire Motor Fuels Committee. Water gate House, York Buildings, Adelphi, London, W.C. 2. U.S. National Advisory Committee for Aeronautics. Report No. 191.—Elements of the Wing Section Theorv and of the Wing Theory. By Max M. Munk. Report No. "187. Flame Speed and Spark Intensity. By D. W. Randolph and F. B. Silsbee. No. 193. Pressure Distribution over the Wings of an MB-3 Airplane in Flight. By F. H. Norton. U.S. Government Printing Office, Washington, D.C., U.S.A. Catalogues Musee des Thermes et de Cluny. Catalogue of Photographs. J. Leroy and Co., 55, Faubourg-Poissonniere, Paris. Journal of the American Society of Naval Engineers. August, 1924. American Society of Naval Engineers, Navy Depart ment, Washington, D.C., U.S.A. m m. m m AERONAUTICAL PATENT SPECIFICATIONS Abbreviations: Cyl. = cylinder; i.e. «= internal combustion ; m. — motoi The numbers in brackets are those under which the Specifications will be printed and abridged, etc. APPLIED FOR IN 1923 Published October 9. 1924 18,145. R. M. HILL and E. ROBINSON. Landing-carriages for aircraft. (221,606.) 19,694. ARMSTRONG-SIDDELEY MOTORS, LTD., F. R. SMITH and B. W. SHILSOS. Air-brake testing-mechanism for fluid pressure engines. (221,62(1.) 19,698. ARMSTRONG-SIDDELEY MOTORS, LTD., F. R. SMITH and B. W. SHILSON. Dynamometer beds for testing engine-power. (221,621.) 31,607. BLACKBURK AEROPLANE AND MOTOR CO., LTD., and J. D. RENNIFC. Hulls for flying-boats. (221,712). APPLIED FOR IN 1924 Published September 18, 1924 117. H. BEGHIN and P. MONFRAIX. Gyroscopic compasses. Published September 25, 1924 1,399. Soc. BUSCAYLET PERE ET FILS ET BOBIN. Starting device for aero plane engines. (221,140.) Published October 2, 1924 3,675. A. J. MARCELIN. Course indicator for aircraft. (211,476.) Published October 9, 1924 6,110. H. FARMAN. Regulation of i.e. engines for aircraft. (213 894.) FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Trudirur, Westcent, London. Telephone : Gerrard 1828. SUBSCRIPTION RATES " FLIGHT " will be forwarded, post free, at the following rates :— UNITED KINGDOM ABROAD* 5. d. 3 Months, Post Free .. 7 7 6 „ „ ..15 2 12 „ „ ..30 4 These rates are subject to any alteration found necessary under abnormal conditions and to increases in postage rates. * Foreign subscriptions must be remitted in British currency. Cheques and Post Office Orders should be made payable to the Proprietors of " FLIGHT," 36, Great Queen Street, Kingsway, W.C. 2, and crossed London County and Westminster Bank otherwise no responsibility will be accepted. Should any difficulty be experienced in procuring " FLIGHT from local newsvendors, intending readers can obtain each issue direct from the Publishing Office, by forwarding remittance as obovi. s. 3 Months, Post Free.. 8 6 „ „ ..16 12 „ „ ..33 d. 3 6 0 664
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