New Telephonic Apparatus.
The French Committee appointed by the Administration of Posts and Telegraphs to seek for an improved telephonic apparatus; lately- opened a competition for the best model for a long-distance telephone. Twenty different models were submitted to tlie'committee, one of which was found upon trial to present several advantages. It would allow of much finer wires being used than is now possible for long distances j thus the tota.l weight of the wires between Paris and Marseilles, for example, might be reduced by 125,000, kilogrammes. It is stated that the director of the Postal and Telegraph Department will have the pro-posed-new system • experimented between Paris, Marseilles, and Lille.
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New Telephonic Apparatus., Ashburton Guardian, Volume VII, Issue 2447, 21 June 1890
New Telephonic Apparatus. Ashburton Guardian, Volume VII, Issue 2447, 21 June 1890
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