domenica 31 maggio 2015

Official opening London-Paris telephone system


London-Paris Telephone system
18 marzo 1891

It was the first cross-Channel telephone cable and the second cable on this route, because the first one was the 1851 Dover - Calais telegraph cable. This cable was manufactured by Siemens brothers, crossed the English Channel from St Margarets Bay, (Dover) England, to Sangatte (Calais) France.

Dover - Sangatte, english and french coasts















This system enabled telephone conversation between specially equipped booths in London and Paris.
The London - Paris telephone service was inaugurated in April of 1891 and was controlled and worked by the Central Telegraph Office in London.

Punch, or London Charivari, english magazine of humor
28 marzo 1891.


First long distance call in Europe
April 1891.

1891  London - Paris cable.



                            description of the telephone cable 

Charles Bright in his book, "Submarine Thelegraphs", gave a detailed description of telegraphs and telephones cable's construction. This book was a sort of guide for many engineers all over the world and now this work remained an important resource on the history o telecommunication and electrical engineering.

                           Charles Bright - Submarine Telegraphs









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