Heinl radio business letter (Jan-June 1940)

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3/5/40 REPRINTS OF I. T. & T. LECTURES ARE ISSUED The International Telephone and Telegraph Corooration ha.s prepared reprints of the following lectures and articles pre¬ pared by members of the I. T. & T. and its associated companies, according to W. H, Capen, Assistant General Technical Director: Experimental Researches on the Propagation of Electro-Magnetic Waves in Dielectric ( Qylindrical ) Guide s High Frequency Transmission Line Networks Ultra-Short Wave Oscillators A New Hprd Valve Relaxation Oscillator Commercial Radio Telephone Linkes on UltraShort Waves Voice-Operated Level Control System for Telephone Networks The Eiffel Tower Television Transmitter Theoretical Relationships of Dielectric Guides (Cylindrical) and Coaxial Cables Calculation of Triode Constants An Impulse Measuring Set •« Automatic Ticketing of Long Distance Telephone Connections Methods and -Apparatus for Measuring Phase Distortion General Aspects of Telephone and Telegraph Communications in Europe xxxxxxxx BRITISH BO'THERED BY SECRET PROPAGA.NDA STATION British Post Office engineers are investigating a secret radio station, calling itself the ’’New British Broadcasting Sta¬ tion”, which has been broadcasting anti-British propaganda. They believe it is a low-power station operating from somewhere in a "distant part of the Continent". The station addressed its broad¬ cast "to every Britisher who loves his country". It attacked the British Government and made an appeal to abandon the war because Britain "never can destroy German unity, which is established in the hearts of its people". Listeners said the announcer was "almost certainly British", but experts doubted that the station was a mobile pir¬ ate outfit. They said it was more likely tha.t some foreign country was using an unauthorized wavelength. XXXXXXXX By A. G. Clavier and V. Altovsky By A. Alford By D. H. Black By D. H. Black By E. H. Ullrich and A J. Devaud By A. H. ^eves By S. Malle in and G. Rabateau By A. G. Clavier By J. H. Fremlin By A. S. Grand ?.nd D. H. MacNee By W. Ha tton By M. Levy By M. Deloraine 10