BELL RUNG BY HEART
LONDON, September 20. We are getting used to listening-in to tilings said at the other side of the world, but we learn that shortly we will he able to listen-in to some strange sounds other than speeches. It may he that some of you listening-in in New Zealand 'may get a chance of hearing what Mr Bryan 11. C. Matthews, Beit Memorial Fellow for .Medical Research, Cambridge, will say wlien he broadcasts next November on “Electricity in Our Bodies,” for besides lecturing lie will let listeners hear the beat of his h'-art, widcli will make a bell ring. He will do this as part of demonstrations to explain how the muscles in our bodies generate , electricity wheir the messages travelling' along the nerves I s-t them in motion. Although the heart’s movement produces oidv on° milli-volt, Mr Matthews, by the aid ( of wireless valves, will he able to am- I plify this sufficiently to work a loud I speaker in the studio and to make it i ring a hell in front of the microphone.
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Hokitika Guardian, 1 November 1930, Page 3
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179BELL RUNG BY HEART Hokitika Guardian, 1 November 1930, Page 3
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