An Electron Shower Broadcast
MR. H. CALDWELL, an ‘ex-mem- :: ber of the U.S. Federal Radio Coni-:: : mission, startled listeners to WEAF: recently whep he broadcast the sound, } of an electron shower. ‘To do this he | held a battered radium dial watch te.. an instrument known as the Geiger | counter. The electrons discharged from | the radium-coated dial filtered through | the counter and the sound of. their — striking, as transmitted through the > microphone, resembled that of a fall of lead shot on # tin roof. The experiment was under the auspices of the National Research Council, thus guaranteeing, it seems, that genuine electrons were wsed and not lead shot,
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https://paperspast.natlib.govt.nz/periodicals/RADREC19310925.2.50
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Radio Record, Volume V, Issue 11, 25 September 1931, Page 19
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106An Electron Shower Broadcast Radio Record, Volume V, Issue 11, 25 September 1931, Page 19
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