How to use Electric telegraph in a sentence
The line crossing Australia which was thus explored has since been occupied by the electric telegraph connecting Adelaide, Melbourne, Sydney, and other Australian cities with London.
This, with proper apparatus for originating electric currents at one end and for discovering the effects produced by them at the other end, constitutes an electric telegraph.
The Electric Telegraph Company, formed to undertake the business of transmitting telegrams, was incorporated in 1846.
During this period the Electric Telegraph Company's average receipts per message fell from 4s.
Scudamore, second secretary to the Post Office, to inquire and report whether the electric telegraph service could be beneficially worked by the Post Office, and whether it would entail any very large expenditure on the.Advertisement
In 1868 the length of electric telegraph lines belonging to the companies was 16,643 m., and of those belonging to the railway companies 4872 m., or a total of 21,515.
The instrument was described in over fifty publications 6 in various countries, and was well known to physicists previous to Bell's introduction of the electric telephone as a competitor with the electric telegraph.
At the age of fifteen he became a clerk under the Electric Telegraph Company.
The great velocity of electrical transmission suggested the possibility of utilizing it for sending messages; and, after many experiments and the practical advice and business-like co-operation of William Fothergill Cooke (1806-1879), a patent for an electric telegraph was taken out in their joint names in 1837.
In 1847 he took charge of the longitude department of the United States Coast Survey, where he was among the first to make use of the electric telegraph for the purpose of determining the difference of longitude between two stations, and he introduced the method of registering transit observations electrically by means of a chronograph.Advertisement
The case with the ordinary electric telegraph is exactly the same.
A monument in the Bockenheim Anlage, dated 1837, preserves the memory of Guiollett, the burgomaster, to whom the town is mainly indebted for the beautiful promenades which occupy the site of the old fortifications; and similar monuments have been reared to Senckenberg (1863), Schopenhauer, Klemens Brentano the poet and Samuel Thomas Sommerring (1755-1830), the anatomist and inventor of an electric telegraph.