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Aviation History
1924
1924 - 0376.PDF
AIR POST STAMPS By DOUGLAS B. ARMSTRONG. Swiss Military Flight As usual, a special air postmark was applied to a small mail of letters carried by military aeroplane from Grenchen to Dubendorf on April 13. It was in use for the one day only, and consists of a double-lined circular cachet, containing the words FLUGPOST—13JV.24—Grenchen Zurich " struck in pale blue upon ordinary and air post stamps of Switzerland. A souvenir stamp of 30 centimes and an official post-card of 25 centimes were also issued by the organising committee. THE Grenchen stamp appears to be on a par with the early Swiss aero stamps of 1911-12, inasmuch as it had no franking power, but merely represented a direct contribution to the funds of the meeting. Lithographed in large upright rectan gular format, it depicts two aeroplanes crossing a mountain ridge, in the shelter of which nestles a typical Alpine village. The inscription on the stamp reads, " FLUGPOST GRENCHEN, April, 1924." Originally planned for April 6, the flight had to be postponed owing to bad weather for a whole week. As it was, the pilot was unable to land at Grenchen, but was forced to go on to Olten before descending. The mail carried on this occasion consisted of 3,963 letters, 3,731 postcards and 566 pieces of printed matter, only a small proportion of which bore the souvenir stamp. Artistic Swiss Air Stamps A CLASSICAL figure of Icarus, soaring ad astra upon out spread wings, forms the very striking motif of M. Vibert's design for the new Swiss air post stamps, a proof of which we have now seen. The stamp is uniform in size and shape with the values already in use, the sole inscriptions comprising the name " HELVETIA " and the value in figures and words enclosed in two narrow oblong panels at the foot. It is far and away the most artistic design for an air post stamp that has come under our notice, and will make a very beautiful addition to the aero collection. Uruguayan Air Stamps Obsolete IT seems that the special aero stamps introduced by the Uruguayan Post Office at the New Year in connection with the trans-River Plate air post service have already been obsolete for nearly three months, owring to the suspension of the daily flights between Montevideo and Buenos Aires. There is some talk of the remainders being destroyed, so that an early increment may be anticipated, since these stamps were never employed to any considerable extent. On genuinely flown covers they are decidedly scarce even now. Russian Mysteries A SET of four postage stamps in a design showing an aero plane flying over the city of Moscow and bearing the date 1923 in a circle, has made a belated appearance in Russia. It consists of denominations 1 rouble brown, 3 roubles blue, 5 roubles red, and 10 roubles green. No sooner had they been issued than, with the exception of the three roubles, they were surcharged in gold currency as follows : 10 kopecs on 5 roubles, 15 kopecs on 1 rouble, and 20 kopecs on 10 roubles, in which form they are said to be available for ordinary postage. The question arises—are these air post stamps, or not ? Belfast-Liverpool Air Mail THERE should be enough " first flight " covers of the Belfast- Liverpool air mail service to go round amongst the world's aero-collectors, if the official figures are any guide. The first regular flight took place on May 2, when a total of 1,500 letters is said to have crossed the Irish Sea by air ! Czecho-Slovakia Air Post APROPOS of the recently-organised air post service between Prague and Paris via Strasburg and Prague and Bucharest via Vienna and Belgrade, it is stated that letters actually posted at the aerodrome (Prague) bear the special cachet " Letiste " (Flying Ground), but others have the ordinary postmarks of the offices at which they are mailed. Aero- grammes can only be recognised, therefore, when impressed with the receiving stamp of the terminal town. Answers to Correspondents J. M. H. (Reading).—The present market value of flown covers showing the special cancellation of the First Aerial Post, Allahabad, 1911, if in good condition, is about one guinea each, Readers are invited to forward to the Editor of FLIGHT Utters, etc., bearing aerial stamps or postmarks for mention in this column, as well as out-of-the-way varieties, etc. We shall also be pleased to hear from correspondents interested in air-stamp collecting, and to answer any queries. JUNE 5, 1924 NOTICE TO AIRMEN Low Flying over the British Empire Exhibition, Wembley IT is notified that complaints having been received as to the prevalence of low flying by aircraft over the British Empire Exhibition at Wembley, the attention of all pilots and owners of aircraft is specially directed to Article 9 (2) (c) of the Air Navigation (Consolidation) Order, 1923, which prohibits the carrying out of any flying which, by reason of low altitude or proximity to persons or dwellings or for any other reason, is the cause of unnecessary danger to any person or property on land or water. It will be appreciated that a forced landing in the crowded grounds of the Exhibition would involve disastrous consequences both to persons and material. It is, therefore, essential that all flying over the Exhibition should take place at a proper height, and in cases of contravention of the provision of the Air Navigation (Consolidation) Order referred to above, pro ceedings will be instituted. (No. 50 of 1924.) K m m m SIDE-WIND THE recent outbreak of fire in the office of the Anglo- American Oil Company's Birkdale Depot, Southport, would undoubtedly have resulted in serious damage to the town had it not been for the excellent construction of the depot, which prevented the flames reaching either the filling house or the main tanks. There were 16,000 gallons of Pratt's spirit and 12,000 gallons of paraffin in the tanks, and the company have cause to congratulate themselves on having planned and constructed their depot in such a way that disaster was averted. The office itself was completely gutted. m 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 1923 Published June 5, 1924 S. HEATH. Variable-pitch propellers. (202,270.) W. E. IKERMAN. Aeroplanes with multiple planes. (215,454.) Soc. ANON, DES ATELIERS D'AVIATION L. BREGCET. I.e. engines. (199,015.) E. A. SPERRY and H. H. THOMPSON. Gyroscopic compasses. (215,594.) S. E. SAUNDERS. Hulls for flying-boats, etc. (215,626.) Soc. ANON, DES ATELIERS D'AVIATJON L. BREGLET. Air-screws. (203,698.) APPARATE-BAUANSTALT AXMANN AND CO. and E. SCHOLL. Rotary piston-engines. (215,659.) Soc. ANON, DES AEROPLANES G. VOISIN. Means for securing a gudgeon pin to a piece subjected to alternating motion. (210,401.) 3,665. 4,099. 14,073. 14,186. 17.688. 22,387. 25.263. 28,583. If you require anything pertaining to aviation, study "FLIGHT'S" Buyers' Guide and Trade Directory, which appears in our advertisement pages each week (see page xxx). i NOTICE TO ADVERTISERS All Advertisement Copy and Blocks must be delivered at the Offices of "FLIGHT," 36, Great Queen Street, Kingsway. W.C.2, not later than 12 o'clock on Saturday in each week for the following week's issue. FLIGHT The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGSWAY, W.C. 2. Telegraphic address : Truditur, Westcent, London. Telephone : Gerrard 1828. SUBSCRIPTION RATES " FLIGHT " will be forwarded, post free, at the following rates UNITED KINGDOM s. d. 3 Months, Post Free .. 7 7 6 „ ..15 2 12 „ „ ..30 4 ABROAD* s. 3 Months, Post Free.. 8 6 „ „ ..16 12 „ „ ..33 — d. 3 6 0 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 above. 376
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