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Tlie rapid development of the wireless telephone is one of the romances, of the war. In 1914 .the. wireless telephone. was still in the experimental stage, and was regarded as a kind of promising side-line to wireless telegraphy. But when the aeroplane, began to be largely used for reconaissance and for directing artillery fire, the demand for some more easy and flexible- mode of communication from the air to the landbecame urgent. British "inventors responded magnificently to the call, and the , crude apparatus. of 1914 became rapidly perfected' so._ that it could be i relied upon in speaking between aeroplanes and land stations up to 15 miles [and beyond. Owing to the necessities [of secrecy.very little was known to?.the i public about the improvements which j had been effected, but their extent may ! he? Judged by the generous tribute paid | by the director of an American electrical company which had been engaged jon the same field. He has stated that | British wireless telephones were better, iin range and reliability, than any which I had been produced elsewhere. In the ; development of commercial aviation wireless telephony, as well as wireless telegraphy, is likely to play an importj ant part, since the safety of a service depends upon maintaining contact with ! aerodromes and aeroplanes; but aviaj tion is far'from being the only field of I application. The wireless telephone jroay supplement the newspaper as a ! means of international communication. As was pointed out by a leading British man of science, Mr Campbell Swinton, F.R.S., a speech delivered in London may be heard simultaneously in Calcutta. Cairo, Paris, Petrograd, New York, and on vessels in. mid-ocean • and by the use of loud-speaking telephones large audiences may listen to the transmitted tones as If they were being addressed by the original speaker.

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Bibliographic details

THE WIRELESS TELEPHONE, Ashburton Guardian, Volume XXXIX, Issue 9593, 24 April 1919

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THE WIRELESS TELEPHONE Ashburton Guardian, Volume XXXIX, Issue 9593, 24 April 1919

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