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Radio Record, Volume VII, Issue 4, 4 August 1933, Page 41

[Zz is announced that the Marconi Company has acquired the world rights for making and selling the Blattnerphone, with the exception of a few countries. This means that lots of listeners, "from China to Peru,’ are going to hear canned radio. But the Blattnerphone has other uses, and already it is being tried out in aircraft. When test flights are made the aviators have to record a number of readings-altitude, temperature, pressure, etc. Sometimes these vary so rapidly that the men cannot write down the readings of the instruments. Hence the Blattnerphone! The observers will merely speak, and the results can be reproduced on terra firma at leisure. 4 ACCORDING to a recent report issued by the German Reichspost, following a general investigation in regard to the class of wireless receivers used by license holders in that country, the census shows that only 7 per cent. of the listeners possess crystal sets. The figures also demonstrate the popularity of one and three-valve receivers (74.8 per cent.), and the number of instruments using more than three valves reached 18.2 per cent. of the total. These statistics are based on replies received from 97 per cent. of Germany’s listeners and, consequently, will prove very useful in planning out further improvements of the broadcasting system. * * * For the first time in history motion picture scenes of a major disaster were transmitted by television when WGXS television station at Los Angeles broadcast scenes of the Long Beach-Compton earthquake area within a few hours after the tremor. s a s TPH first four-point synchronised broadeast was heard over the Columbia network recently when a feminine trio presented a programme from three of the world’s tallest buildings. Each girl was stationed in the tower of the building while the pianist was in the WABC studio. The three harmonisers were equipped with earphones and the blending together with the accompaniment was an entire success.