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Aviation History
1925
1925 - 0076.PDF
FEBRUARY 5, 1925 AIR POST STAMPS By DOUGLAS B. ARMSTRONG First Air Post AuctionA NOTABLE event in the annals of air post collecting wasthe sale by auction of the well-known collection formed by Mr. H. H. Taylor, which took place at the Old Bond StreetGalleries, on January 19. Prices on the whole were eminently satisfactory, and served to demonstrate particularly the risingvalues of early flown covers. Bidding was keen for the scarcer items, and the total amount realised was in the neigh-bourhood of /500. The " Hawker" cover, signed by Mackenzie Grieve, touched a new high level at /45, whilsta rather indifferent specimen of an " R 34 " letter maintained the previous highest price of £32. Other notable priceswere :— Australia, 1914.—Melbourne-Sydney souvenir card, ^12 10s.Denmark, 1919.—Nestved-Copenhagen semi-official stamp, £12-Fr. Giiiana, 1921-2.—Flown over with semi-official stamp (Champion's type " C " , £15.Fr. Guiana, 1921-2.—Flown cover with semi-official stamp (Champion's type " d "), £'18.Fr. Guiana, 1921-2.—Flown cover with semi-official stamp (Champion's type " e "), /18.Fr. Morocco, 1911.— ' Petit Journal " flight, special cachet, £4 155.Germany, 1913.—Card posted on Zeppelin " Viktoria Luise," £6.Germany, 1913.—Bork-Bruck semi-official stamp (complete £heet of 10 copies), /12 10s.Germany, 1913.-—Flown cover with single stamp, £3 15s. Germany, 1912.—Gotha-Erfurt flight. Semi-official stampon flown card, £6 6s. ~' Germany, 1912.—Regensburg. Flown card with souvenirstamp, £10 10s. Germany, 1924.—Berlin-Angora flight. Special 2 Mk. stampon flown cover, £1 8s. Great Britain, 1911.—\Vindsor--London. Two flown cards ingreen and red-brown, £1 12s. Monaco, 1914.—Rally-Aerienne. Flown card Monaco-Romewith souvenir stamp, £2 2s. New Zealand (Gt. Barrier Island), 1898.—Is. pigeon poststamp on flown message (rare), /12 12.?. Panama (Canal Zone), 1918.—Flown cover. Christobel toBalboa Heights with special cachet, £7 5s. Switzerland, 1913.—Flight Aurau-Olten-Lenzbourg. Semi-official stamp on flown cover, £4. Switzerland, 1913.—Flight Vevey-Villeneuve. Flown cardwith special cachet (rare), /25. South Africa, 1918.—Cape Peninsula aerial post. Flowncard with special cachet, £1. U.S.A., 1911.—First official flight Garden City Estates,Brook^m. Flown card with cachet, /2 6.;. U.S.A., 1918—New York-Washington (first flight), £3.Uruguay, 1921.—25 c. air-post stamp with rare black ovpt., £10 10s.Consideration of the foregoing list will reveal two very important factors in the present state of air-post collecting.First, that despite the carpings of certain critics, hide-bound by philatelic conventions, semi-official stamps and cachetsare as eagerly sought after by aerosemists as are their official prototypes, and with the exception of the two pieces deresistances (the Hawker and R 34), actually commanded pro- portionately higher prices. Second, the relative scarcity of" first flight " covers. On the whole, air post collectors have reason to congratu-late themselves upon the excellent progress that the hobby has made in a very short period of incubation. •Answers to Correspondents E. A. S. (Southall).—Although express instructions wereissued by the U.S. Postmaster-General for the back-stamping upon receipt of all mail brought by the ZR3 on its maidentrip, it is, of course, possible that a few letters may have escaped this attention. Genuinely flown covers should,however, bear the Friedrichshaven postmark (Luftpost) of October 10, 1924, the actual date of departure in additionto any other cancellation, as well as the special oval cachet " Mit Luftschiff ZR3 befordert." Letters transmitted byany other route would not show this cachet. The mail was actually closed on September 3, and in the majority of casesat least letters received at Friedrichshaven subsequent to that date were returned to the senders and postage refundedin full. It is not known what disposal was made of the balance of the mail, so that I am unable to say by whatsteamer (if any) it was forwarded to U.S.A. SIDE-WINDS MR. ALAN COBHAM, who is flying Sir Sefton Brancker onhis aerial survey of the projected air-route to India, and who has now covered nearly 10,000 miles without trouble or delayof any description, has cabled Messrs. C. C. Wakefield and Co., Ltd., as follows :— " ARRIVED CALCUTTA CONTINLIING FLIGHT RANGOON BEFORE' TURNING HOMEWARDS SIDDELEY PUMA ENGINE RUNNING PERFECTLY ON CASTROL C. KEEPING LOW OIL TEMPERATURE AND MAINTAINING REGULAR OIL PRESSURE FOUND SUPPLIES EVERYWHERE OF THIS PERFECT LUBRICANT—AI.AN COBHAM." m m m m PUBLICATIONS RECEIVED Aeronautical Research Committee : Reports and MemorandaNo. 922.—Notched Bar Impact Tests at Low Temperatures. By. Dr. L. Aitchison. October, 1924. H.M. StationeryOffice, Kingsway, London, W.C.2. Price 9d. net. Report No. 194.—Investigation of Slipstream Velocity. ByJ. W. Crowley, Jun. Report No. 197.—A New Relation Between the Induced Yawing Moment and the Rolling Momentof an Airfoil in Straight Motion. By M. M. Munk. Report No. 197.—Astronomical Methods in Aerial Navigation. ByK. H. Beij. U.S. National Advisory Committee for Aero- nautics, Navy Building, Washington, D.C., U.S.A. m m w. m NEW COMPANIES REGISTERED BORDEWICH (ENGINEERING). LTD.—Capital £2,000, in £1 shares. Objects to promote the sales of marine, stationary and aeronautical engines of all types, to carry on the business of engineers, etc. First directors, P. R. Bordewich, Mrs. Margaret T. Bordewich, and C. T. Bordewich. Secretary, C. T. Bordewich. LIGHT METAL AIRCRAFT CO., LTD., 38. Victoria Street, Westminster, S.W. I.—Capita] £1,000, in £1 shares. Engineers, manufacturers of and dealers in machinery and plant, and in particular aeroplanes and aircraft and internal-combustion engines of all kinds, etc. First directors, A. Rohrbach, E. Lerp, A. E. L. Chorlton, and J. G. Girdwood.m m m m AERONAUTICAL PATENT SPECIFICATIONS Abbreviations : Cyl. — cylinder; i.e. — 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 January 29, 1925 J. DEMOCRATIS. Parachutes. (226,851.) E. EVANS and G. M. WILLIAMS. Screw propellers. (226,853.) A. LAMBLIN. Radiators for aircraft motors. (206,819.) H. BOLAS and G. G. PAKNALL. Control mechanism of aircraft. (226.B71.) A. R. SMITH. Smoke-producers, for use on aircraft. (226,881.) Published February 5, 1925 H. LEITNER. Detachable blades for airscrews, etc. (227,141.) H. O. SHORT. Petrol supply control. (227,174.) E. W. WALTER. Flying-macbine. (227,234.) APPLIED FOR IN 1924 Published January 29, 1925 C. DREVET. Rotary engine. (227,030.) M. SALTER. Screw propellers. (227,064.) Published February 5, 1925 H. M. DAVIDSON. Eye-screens, goggles, etc. (227,280.) DORNIER METALLBAUTEV GES. and C. DORNIER. Means for securing planes to aircraft. (212,525.) R. ESNAULT-PELTERIE. Packing-rings for pistons. (214,969.) 21,902.21,980. 24,048.24,063. 24,404. 18,178.24,992. 27,433. 9,488.19,262. 1,148. 2,525. 8,818. 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 ABROAD• s. d.3 Months, Post Free.. 8 3 6 ,. ,, ..16 612 „ ,, ..33 0 s. d.3 Months, Post Free.. 7 7 6 „ „ ..15 2 12 30 4 These rates are subject to any alteration found necessaryunder abnormal conditions and to increases in postage rates. * European subscriptions must be remitted in British currency Cheques and Post Office Orders should be made payable to theProprietors 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 tach issue direct from the Publishing Office, by forwarding remittance as above. 76
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