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The Deceitful One - Chapter 62 The Perfect Crime
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... nstead of codes in a telegram.
The telephone was economical and very simple to operate. It consisted of a power source, a circular dialer, a ringer, a transmitter, and a receiver.
The reason why it was inexpensive and easy to use was that the infrastructure had already been laid by the earlier invention of telegraphs beforehand.
The telephone could use the same network cables that have been set up for telegraphs to transmit codes and send signals through them. Only a few ...
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