The monopoly conferred upon the Postmaster-General by the Telegraph Act 1869 was subsequently extended to telephony and wireless telegraphy, but it does not extend to submarine telegraphy. [Please select]
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The Bell telephone--The Edison transmitter--The granular carbon transmitter--General arrangement of a telephone circuit--Double-line circuits--Telephone exchanges--Submarine telephony 147 Chapter IX. [Please select]
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The Bell telephone--The Edison transmitter--The granular carbon transmitter--General arrangement of a telephone circuit--Double-line circuits--Telephone exchanges--Submarine telephony. [Please select]
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Though telegraphic messages are transmitted easily through thousands of miles of cable,[16] submarine telephony is at present restricted to comparatively short distances. [Please select]
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Chadwick had worked out this radical departure in telephony, they knew nothing. [Please select]
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"Well, then I'll try to explain to you, in simple language, the general principles of radio telephony," said Mr.' [Please select]
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Chadwick, "we find that the problem in radio telephony is the same as that met with in ordinary wire telephony." [Please select]
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"Just the same, only in radio telephony we are confronted by a problem not met with in wireless telegraphy." [Please select]
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"But why does radio telephony require a stronger current than wireless telegraphy." [Please select]
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In fact, however, the need of money forced Edison later on to resume his work for the Western Union Telegraph Company, both in telegraphy and telephony. [Please select]
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But in the case of radio telephony the result is to be obtained by Hertzian waves, instead of by a current passing through an insulated wire. [Please select]
Do you have a better example in your mind? Please submit your sentence!