Abstract
THE first of the two annual conversaziones of the Royal Society was held, at Burlington House on Wednesday, May 12, when the president, Sir Joseph Thomson, received a large company of fellows of the society and other workers of distinction in the scientific world. As is usual upon such occasions, many exhibits of recent methods and results of investigation were displayed, and much interest was taken in them. Mr. A. A. Campbell Swinton gave a most successful demonstration and exposition of wireless telephony with apparatus supplied by the Marconi Wireless Telegraph Co., Ltd. Gramophone records and musical instruments played at the company's works at Chelmsford were loudly reproduced in the meeting-room of the society. The apparatus used consisted of an amplifying detector and note magnifier, to which wTas connected a loud-speaking telephone enabling speech to be heard distinctly over the whole ground floor. The aerial consisted simplv of a frame 3 ft. square, wound with a few turns of wire, and placed on the lecture-table in the meeting-room. The subjoined descriptions of most of the exhibits, arranged so far as possible in related subjects from man to machine, are abridged from the official catalogue:
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The Royal Society Conversazione. Nature 105, 373–376 (1920). https://doi.org/10.1038/105373c0
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DOI: https://doi.org/10.1038/105373c0