Publisher's Synopsis
Excerpt from History for Ready Reference, From the Best Historians, Biographers, and Specialists, Vol. 2 of 7: Their Own Words in a Complete System of History, for All Uses, Extending to All Countries and Subjects; Electrical to Gerusia
The suggestions made in this letter were that a set of twenty -six wires should be stretched upon insulated supports between the two places which it was desired to put in connection, and at each end of every wire a metallic ball was to be suspended, having under it a letter of the alpha bet inscribed upon a piece of paper. The message was to be read off at the receiving sta tion by observing the letters which were succes sively attracted by their corresponding balls, as soon as the wires attached to the latter received a charge from the distant conductor. In 1787 Monsieur Lomond, of Paris, made the very im portant step of reducing the twenty - six wires to one, and indicating the different letters by various combinations of simple movements of an indi cator, consisting of a pith-ball suspended by means of a thread from a conductor in contact with.the wire. In_the year 1790 Chappe, the inventor of the semaphore, or optico-mechan ical telegraph, which was in practical use pre vions to the introduction of the electric telegraph.
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