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Aviation History
1924
1924 - 0112.PDF
FEBRUARY 21, 1924 BY DOUGLAS B. ARMSTRONG Ecuador's Air Stamps WE understand from Mr. Alan Turton that the set of Ecuador postage stamps overprinted with various types of aeroplanes, recently referred to in this column, were a semi official issue in connection with some demonstration flights that took place between Quita and Ibarra on the occasion of some local fetes in August, 1923. They were used in addition to ordinary postage stamps to denote supplementary fees for air-borne correspondence according to weight, and are scarce. Bolivian Air Post Issue THE Latin-American republic of Bolivia is planning a special issue of stamps to mark the inauguration of a national school of aviation, the intention being presumably that the sale of these stamps should help to defray expenses of the undertaking. There are to be 100,000 copies only of the 5 bolivanos stamp, the highest denomination, and advance orders will be accepted by the Postal Department at La Paz at the rate of 9 bolivanos a set. Whether or not the stamps are intended for air postage is as yet unrevealed. Warsaw-Dantzig Pigeon Post WITH further reference to a recent enquiry concerning a Polish pigeon post service, we are given to understand that some such experiment was made between Warsaw and Dantzig about the end of 1922, or early in 1923, with the object of avoiding Customs difficulties on the German frontier. It is said to have been abandoned after a few days' trial, however, and so far we have not succeeded in ascer taining what special postal markings were employed (if any). Sarandi-Montevideo Flight A FEW more particulars of the special air post flight made between Sarandi and Montevideo (Uruguay) on the occasion of the inauguration of the national memorial on the site of the famous battle are now to hand. The flight took place on October 12, 1923, when 880 letters all told were entrusted to the pilot Adimi. All were franked with Uruguayan air post stamps, with red, blue or green overprints, the latter predominating, and in addition to the commemorative postmark of Sarandi Grande were impressed with a rectangular handstamp in purplish red, inscribed " por avion." Spanish Air Stamp Novelties Two hitherto unrecorded varieties in the Spanish air post series have been brought to our notice by Mr. Alan Turton. The first is the 25 centimos with the overprint inverted, whilst the second is an entirely new denomination, viz., 30 centimos blue-green, bearing the " Correo Aereo " imprint. "And that's that " WE are indebted to Mr. C. H. R. Johnston of Amsterdam for the following explanation of the " Goteborg Luft" cancellation on Swedish stamps, which we recently referred to under the impression that it was a legitimate air post mark. He writes :— " With reference to a paragraph in the issue of the 31st tilt., re Swedish air post during the Gothenburg Exhibition, the facts are that ' Goteborg Luft' was the name of a small sub-post office installed in the grounds of the Aero Show, for the convenience of exhibitors and others who could receive their letters there, and dispatch telegrams, etc. Similarly there was another branch post office at the aero drome at Torslanda, which was called ' Goteborg Flyg,' and used for similar purposes. " The only air post stamps I have seen are those used the year before last for the routes Malmo-Kopenhagen-Hamburg, and were the ordinary stamps, overprinted ' Lnftpost.' " IMPORTS AND EXPORTS, 1923-1924. AEROPLANES, airships, balloons and parts thereof (not shown separately before 1910). For 1910 and 1911 figures see "FLIGHT" for January 25, 1912; for 1912 and 1913, see " FLIGHT " for January 17, 1914 ; for 1914, see " FLIGHT " for January 15, 1915 ; for 1915, see " FLIGHT " for January 13, 1916; for 1916, see "FLIGHT" for January 11, 1.917; for 1917, see " FLIGHT " for January 24, 1918 ; for 1918, see " FLIGHT " for January 16, 1919'; for 1919, see " FLIGHT " for January 22, 1920 ; for 1920, see " FLIGHT " for January 13, 1921 ; for 1921, see " FLIGHT " for January 19, 1922 ; for 1922 see " FLIGHT " for January 18, 1923 ; arid for 1923, see " FLIGHT " for January 17, 1924. ^ Imports. Exports. M Re-Exports. 1923. 1924. 1923. 1924. 1923. 1924. ££££££ Jan. ..466 2,213 60,079 52,239 280 2,219 PUBLICATIONS RECEIVED American Aeronautical Safety Code. Part 5.—Airdromes and Airways. The Society of Automotive Engineers, Inc., 29, West Thirty-ninth Street, New York City. Ergebnisse der Aerodynamischen Versuchsanstatt zu Gottingen. Parts I and II. By Dr. L. Prandtl. R. Oldenbourg, Gluckstrasse 8, Munich, Germany. Aeronautical Research Committee. Reports and Memoranda. No. 880 (£.8).—Flight Tests with R.A.E. Electrical Indicator. June, 1923. Price Is. 3d. net. No. 881 (Ae. 112).—The Efficiency of a Tandem System of Airscrews. By H. Glauert. May, 1923. Price 3d. net. London : H.M. Stationery Office, Kingsway, W.C. 2. Department of Overseas Trade. Report on the Economic and Financial Conditions in Brazil, September, 1923. By E. Ham- bloch. London : H.M. Stationery Office, Kingsway, W.C. Price 3s. net. Official Gazette of the United States Patent Office, January 22, 1924. U.S. Patent Office, Washington, D.C., U.S.A. Handbook on the L.B. Type A ero Camera. Air Publication 79. Air Ministry, February, 1921. London: H.M. Stationery Office, Kingsway, W.C. 2. Price 3s. Qd. net. The 100 h.p. " Bristol" Lucifer Radial Air-cooled Aero Engine. The Bristol Aeroplane Co., Ltd., Filton House, Bristol. Catalogue. A.C. Cars, 4 and 6-cylinder. A.C. Cars, Ltd., Thames Ditton, Surrey. m & m m AERONAUTICAL PATENT SPECIFICATIONS Abbreviations : cyl. = cylinder; I.C. •= internal combustion! m. •= motor The numbers in brackets are those under which the Specifications will be printed and abridged, etc. APPLIED FOR IN 1922 Published February 21, 1924 28,455. U. ABATE. Wings for aircraft. (187,617.) 29,392. A. H. R. FEDDEN, L. F. G. BUTLER and BRISTOL AEROPLANE Co., LTD. Gas or air distributors for I.C. engines of the radial- cylinder type. (210,170.) 29,912. E. BONN. Aeroplanes. (210,181.) 33,730. E. A. JONES and A. N. KINGWILL. Attachment of banners, etc., to aeroplanes. (210,239.) FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Truditur, Westcent, London. Telephone : Gerrard 1828. 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