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Show LARYNGAPHONE IS LATEST Britons Place Tranamitter to Throat Instead of Mouth. A new telephonic device already In nctuul nsn hi F.nglatid is the lnrjngn-phone, lnrjngn-phone, n transmitter In whlih'u disk Is placed ngnlnst the throat of the speaker und the sound Is transmitted by the ilhratlon of the vocal cord.s, li Is suitable for use In noisy factories nnd workrooms when; the ordinary telephone mouthpiece transmitter would pick up the other sounds In the room and so prevent conversation. In apiienrnncc the luryngnphonu resembles the ordinary telephone except Unit there Is n smooth rounded rubber dink Instead of n mouthpiece. The receiver Is tho samo and the messngos uie received re-ceived In the ordinary spenking voice. |