The Electro Magnetic Telegraph: With an Historical Account of Its Rise, Progress, and Present ConditionA. Hart, 1853 - 264 pages |
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Common terms and phrases
acid action Alfred Vail alphabet apparatus armature arrangement atmospheric electricity axis chemical circuit claim coils communication conducting wire conductor connected construction copper copper wire court cylinder defendant deflected described disk dispatches distance dots earth elec electric current electric telegraph electro-magnetic telegraph employed experiments frictional electricity galvanic battery galvanic current galvanometer glass gutta percha helix House's improvement inches induced inductor instrument insulated invention length letters lever lightning line of telegraph London machine magnet Magnetic Telegraph marks means ment messages metallic miles Milwaukie mode Morse Morse's patent motion move needle nitric acid operation paper passing Philadelphia placed plaintiffs plate poles present principle Printing Telegraph produce Prof purpose railroad receiving magnet reissue revolve Samuel F. B. Morse screw SECT signals soft iron station Steinheil surface tele Telegraph Company telegraph lines tion transmitted tricity type wheel voltaic voltaic pile York zinc
Popular passages
Page 206 - I do not propose to limit myself to the specific machinery or parts of machinery described in the foregoing specification and claims; the essence of my invention being the use of the motive power of the electric or galvanic current, which I call Electro-Magnetism, however developed, for marking or printing intelligible characters, signs, or letters, at any distances, being a new application of that power of which I claim to be the first inventor or discoverer.
Page 250 - Such association is authorized to enter upon, and construct, and maintain lines of telegraph through, along, and upon any of the public roads and highways, or across or under any of the waters within the limits of this state, by the erection of the necessary fixtures, including posts, piers, or abutments for sustaining the cords or wires of such lines: Provided, That the same shall not be so constructed as to incommode the public use of said roads or highways...
Page 250 - The names and places of residence of the shareholders and the number of shares held by each of them. Fifth. The fact that the certificate is made to enable such persons to avail themselves of the advantages of this Title.
Page 64 - Levi Woodbury, then Secretary of the Treasury, issued a circular requesting information in regard to the propriety of establishing a system of telegraphs for the United States, to which Professor Morse replied, giving an account of his invention, its proposed advantages and probable expense.
Page 249 - Such association is authorized to erect and construct, from time to time, the necessary fixtures for such lines of telegraph, upon, over or under any of the public roads, streets, and highways...
Page 49 - ON ARAGO'S MAGNETIC PHENOMENA Read November 24, 1831 1. THE power which electricity of tension possesses of causing an opposite electrical state in its vicinity has been expressed by the general term Induction ; which, as it has been received into scientific language, may also, with propriety, be used in the same general sense to express the power which electrical currents may possess of inducing any particular state upon matter in their immediate neighborhood, otherwise indifferent.
Page 65 - The Committee on Science and the Arts constituted by the Franklin Institute of the State of Pennsylvania, for the promotion of the Mechanic Arts, to whom was referred for examination a Solar Compass, invented by WM.
Page 251 - Any person who shall unlawfully and intentionally injure, molest or destroy any of said lines, posts, piers or abutments, or the materials or property belonging thereto, shall, on conviction thereof, be deemed guilty of a misdemeanor, and be punished by a fine not exceeding five hundred dollars...
Page 40 - I wish it to be understood that I do not confine myself to the use of any...
Page 17 - A wonderful and horrible thing is committed in the land; the prophets prophesy falsely, and the priests bear rule by their means; and my people love to have it so: and what will ye do in the end thereof? 0 ye children of Benjamin, gather yourselves to flee out of the midst of Jerusalem, and blow the trumpet in Tekoa, and set up a sign of fire in Beth-haccerem : for evil appeareth out of the north, and great destruction.