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Aviation History
1927
1927 - 0238.PDF
APRIL 7, 1927 CORRESPONDENCE [The Editor does not hold himself responsible for opinions expressed by correspondents. The names and addresses of the writers, not necessarily for publication, must in all cases accompany letters intended for insertion in these columns.] DIRECTORY OF SOURCES OF SPECIAL INFORMATION [2157] Just as the practical utility of a book is impairedby the want of an index, so the vast aggregation of knowledge that has been built up, and is in many cases being added today by day, is largely lost to mankind owing to the lack of a master-key to its whereabouts. Throughout this countrythere are numerous centres of specialised knowledge and experience of the most varied description, the existence ofwhich has only to be known for them to prove of great service to the world. It is with the object of bringing these to light and recordingtheir salient features in concise form that the Association of Special Libraries and Information Bureaux, in collaborationwith the Carnegie United Kingdom Trust, has asked me to compile a Directory. It has been decided to go forward with the printing of afirst edition of this Directory at midsummer, but much still remains to be done. It is recognised that completionin any one subject is well-nigh impossible in so short a time. It would, however, greatly further this end if libraries,organisations, firms and individuals possessing special information on any subject, and willing to answer inquiriesthereon, which have not yet been in touch with us, would communicate with me at 38, Bloomsbury Square, W.C.I. G. F. BARWICK, General Editor, Late Keeper of Printed Books, British Museum. DEATH OF MR. E. R. CALTHROP WE very much regret to announce the death of Mr. EverardRichard Calthrop, whose name is familiar to readers of FLIGHT in connection with the famous " Guardian Angel "parachute. Mr. Calthrop who died at his home at Maida Hill on March 30, was born on March 2, 1857, and com-menced his engineering career at Robert Stephenson and Company's W'orks at Newcastle-on-Tyne, and eventuallybecame apprenticed (1874) at the L. and N.W. Railway Crewe works. Subsequently, Mr. Calthrop became associated with aconsiderable amount of railway work, at one time being assistant locomotive superintendent to the Great IndianPeninsular Railway. W7hile in India he took up the question of narrow-gauge light railways, in which connection his name isidentified in no small degree in various parts of the world, Mr. Calthrop having executed many surveys for light railwaysin England and abroad. In 1892 he commenced a practice in England as consultingengineer, and amongst other matters, took up the question of parachutes as life-saving appliances from aircraft, becoming in1916 managing director and chairman of E. R. Calthrop's Aerial Patents, Ltd. From this date up to the time of hisdeath he devoted the whole of his life in studying this problem, and developed the now world-famous and successful"' Guardian Angel " parachute. For his wonderful achieve- ments with the " Guardian Angel " parachutes, used soextensively on the Italian Front during the Great Wrar, he was recognised by the King of Italy, who conferred uponhim the Italian Order of St. Maurice and St. Lazarus. Everard Richard Calthrop was a brilliant thinker and aclever writer, using these talents to the full extent—so much so that he probably offended when a less brilliant thinkerwould have been less verbose and, consequently, more success- ful from a business point of view. He will, however, beremembered as a devoted champion to the cause so near his heart, of always striving to arrive at a day when the lawshould demand that every person flying should be equipped with a parachute—but he only lived to see the semblance ofhis wishes gratified. Mr. Calthrop will also be remembered for his great love of animals—for one of his recreations was the breeding of Arab horses, of which at one time he had a magnificent stock. * * * WC, Imperial Airways Items COMMENCING on June 1 next Imperial Airways, Ltd ,propose inaugurating a new air service between London and Pans, which will enable passengers to " do " Paris by night.A machine will leave Croydon at.^4.30 p.m., arriving in Paris at 7 p.m. The return flight starts at 9 a.m. the followingmorning, passengers arriving back in London before noon. It is hoped that a service between London and Nice will bestarted this summer, when the enlargement of the aerodrome at Nice is completed. Machines would leave Croydon at7.15 a.m. and reach Nice at 6 p.m., stops being made at Paris, Lyons and Marseilles en route. Experiments have recently been made at Croydon in short-wave wireless telephony between aircraft in flight and ground stations with very successful results. A wave-length as lowas 7 metres has been used. The object of the experiments has been to find a wave-length which will not be affectedby morse. Imperial Airways have issued their summer time-table,and it shows that air passages can be booked right through to no fewer than 66 foreign air ports. Moscow will be within33 hours of the capital by a day-and-night service. Certain reductions have now been made in some of the fares. PUBLICATIONS RECEIVED Aeronautical Research Committee Reports and Memoranda:No. 1046 (Ae. 232).—The Effects of Body Interference on Airscrew Performance. By W\ G. Jennings, B.Sc. July, 1926. H.M. Stationery Office, Kingsway, London, W.C.2.Price 6d. net. The Air Pilot Monthly Supplement. No. 28. February, 1927. The Air Ministry,"Kingsway, London, W.C.2.International Press Exhibition, Cologne. Mav—October, 1928. Internationale Presse-Austellung, Koln, 1928, Koln-Deutz, Germany. The Air Pilot Monthly Supplement. No. 29. March,1927. The Air Ministry. Kingsway, London, W.C.2. Technological Papers of the Bureau of Standards : No. 330.Resistance of Conductors of Various Types and Sizes as Windings of Single-Layer Coils at 150 to 6,000 Kilocycles.By E. L. Hall. October 27, 1926. Department of Commerce, Bureau of Standards. Government Printing Office, Washing-ton, D.C., U.S.A. Price 5 cents. Annual Report of the Board of Regents of the SmithsonianInstitution for the Year ending June 30, 1925. Smithsonian Institution, Washington. D.C., U.S.A. Price SI-50. Flying for All. C. C. Wakefield and Co., Ltd. WakefieldHouse, Cheapside, London, E.C.2. Aerial Report of the Volga Hydroplane Air Service. ByProf. N. Rynin. Kolomenskaja 37, Leningrad, Russia. 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 1925 Published April 7, 1927 28,455. F. W. LANCHESTER and LANCHESTER'S LABORATORIES, LTD. Cylinder cooling of i.e. engines. (267,190.) 29,870. H. LEITNER. Variable-pitch airscrews. (267,179.) APPLIED FOR IN 1926 Published April 7, 19274,699. A. P. FILIPPI. Helicopters. (248,364.) 7,145. S. A. REED. Aeronautical propellers. (267,313.)11,531. H.E.HODGSON. Flying machines. (267,350.) 17,788. K. REISER and C. GUTTINGER. Spring suspensions. (267,383.)17,960. GOODYEAR-ZEPPELIN CORPORATION. Airship. (255,488.) 20,207. E. SCHMID. Anti-aircraft projectile. (258,566.)20,867. DAP-MOTO-PATENT-GES. Rotating cylinder engines. (267,401.) FLIGHT, The Aircraft Engineer and Airships 36, GREAT QUEEN STREET, KINGEWAY, W.C.2 Telephone : Gerrard 1828. Telegraphic address : Truditur, Westcent, London. "FLIGHT" SUBSCRIPTION RATES UNITED KINGDOM ABROAD* s. d. 3 Months, Post Free.. 7 7 6 , 15 2 12 „ „ ..30 4 • Foreign subscriptions must be remitted in British currency. Cheques and Post Office Orders should be made payable to thi Proprietors of " FLIGHT," and crossed Westminster Bank. 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 asabove. 3 Months, Post Free 6 , 16 12 33 s. d. 8 ?6 0 212
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