New Telephone Device
Records Messages on Tape "TELEPHONE users in Belgium and Switzerland now may leave a message for the person called if he is absent when his telephone rings. The attachment which makes this possible is called a "telephonograph," and is a combination telephone and telegraph instrument on which the person calling, by means of a prearranged system of code, can signal a message to the absent party. This message is recorded on the automatic telegraph apparatus attached to the telephone, and is transcribed on a tape unrolling from the recorder. Another advantage claimed for the system is that in the event of it being difficult to understand a _ distant speaker, owing to a faulty wire, it will be possible to transmit the message on the ticker. Important letters and documents could also be transmitted in this way, and discussed simultaneously.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19310220.2.24
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Radio Record, Volume IV, Issue 32, 20 February 1931, Page 6
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142New Telephone Device Radio Record, Volume IV, Issue 32, 20 February 1931, Page 6
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