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A message sent by a submarine telegraphic cable.

er, a condition easily destroyed by tapping. A common form of coherer as used in wireless telegraphy consists of a tube containing filings (usually a pinch of nickel and silver filings in equal parts) between terminal wires or plugs (called conductor plugs).

e device strapped to the boot, which enables one to climb a tree or pole; -- called often telegraph creepers.

determining the frequency of electic wave oscillations, esp. in connection with wireless telegraphy.

An instrument designed for transmitting pictures by telegraph. Fallows.

A message transmitted by telegraph. [Modern] Dispatch boat, a swift vessel for conveying dispatches; an advice boat. -- Dispatch box, a box for carrying dispatches; a box for papers and other conveniences when traveling.

nary to his immediate superior, as from a bishop to an archbishop. Mozley & W. -- Duplex telegraphy, a system of telegraphy for sending two messages over the same wire simultaneously. -- Duplex watch, one with a duplex escapement.

ical battery. See Battery. -- Electrical brush. See under Brush. -- Electric cable. See Telegraph cable, under Telegraph. -- Electric candle. See under Candle. -- Electric cat (Zoöl.), one of three or more large species of African catfish of the genus Malapterurus (esp. M. electricus of the Nile). They have a large…

so as to give every part and detail of the original; an exact copy or likeness. Facsimile telegraph, a telegraphic apparatus reproducing messages in autograph.

uffix signifying something written, a writing; also, a writer; as autograph, crystograph, telegraph, photograph.

An apparatus for telegraphing by means of the sun's rays. See Heliotrope, 3.

suffix signifying, in general, relating to, or characteristic of; as, historic, hygienic, telegraphic, etc.

, the product closely resembling rubber; -- used principally as an insulating material in telegraphy. Knight.

That part of an instrument or machine which serves as the means of operating it; as, a telegraph key; the keys of a pianoforte, or of a typewriter.

The acquisition of knowledge or skill; as, the learning of languages; the learning of telegraphy.

t thunder, seen near the horizon, esp. at the close of a hot day. -- Lightning arrester (Telegraphy), a device, at the place where a wire enters a building, for preventing injury by lightning to an operator or instrument. It consists of a short circuit to the ground interrupted by a thin nonconductor over which lightn…

The wire connecting one telegraphic station with another, or the whole of a system of telegraph wires under one management and name.

rails of a railroad to see if they are in good condition; also, a man employed to repair telegraph lines.

rd. -- Local battery (Teleg.), the battery which actuates the recording instruments of a telegraphic station, as distinguished from the battery furnishing a current for the line. -- Local circuit (Teleg.), the circuit of the local battery. -- Local color. (a) (Paint.) The color which belongs to an object, and is not…

nce of the earth's magnetic force characterized by great and sudden changes. -- Magnetic telegraph, a telegraph acting by means of a magnet. See Telegraph.