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e letters signified by the signal ( . . . ---. . . ) prescribed by the International Radiotelegraphic Convention of 1912 for use by ships in distress.

One who, or that which; sounds; specifically, an instrument used in telegraphy in place of a register, the communications being read by sound.

An induction coil, esp. of an internal-combustion engine, wireless telegraph apparatus, etc.

from above the surface to enable a diver to remain under water. -- Submarine cable. See Telegraph cable, under Telegraph. -- Submarine mine. See Torpedo, 2 (a).

nd way or gallery; especially, a passage under a street, in which water mains, gas mains, telegraph wires, etc., are conducted.

Of or pert. to syntony; specif., designating, or pert. to, a system of wireless telegraphy in which the transmitting and receiving apparatus are in syntony with, and only with, one another. -- Syn*ton"ic*al (#), a. --Syn*ton"ic*al*ly, adv.

ain wave length; to tune; specif., to put (two or more instruments or systems of wireless telegraphy) in syntony with each other. -- Syn`to*ni*za"tion (#), n.

th a pair of adjustable spark balls, for attuning the time periods of antennæ in wireless telegraphy (called also syntonizing coil).

aratus emitting electric oscillations and that of a receiving apparatus, esp. in wireless telegraphy.

Hence, to draw from (anything) in any analogous way; as, to tap telegraph wires for the purpose of intercepting information; to tap the treasury.

A facsimile telegraph for reproducing writing, pictures, maps, etc. In the transmitter the motions of the pencil are communicated by levers to two rotary shafts, by which variations in current are produced in two separate circuits. In the receiver these variations are utilized by electromagnetic devices and levers to m…

A form of facsimile telegraph.

An instrument for telegraphically transmitting and receiving handwritten messages, as photographically by a beam of light from a mirror.

A message sent by telegraph; a telegraphic dispatch.

photographic or other pictures at a distance by methods similar to those used in electric telegraphy.

An instrument for telegraphically reproducing a photograph. -- Tel`e*ste`re*og"ra*phy (#), n.

An electric telegraph which prints the messages in letters and not in signs.

One who, or that which, ticks, or produces a ticking sound, as a watch or clock, a telegraphic sounder, etc. Ticker tape Tape from or designed to be used in a stock ticker, usu. of paper and being narrow but long. -- Stock ticker, an electro-mechanical information receiving device connected by telegraphic wire to a st…

One who, or that which, transmits; specifically, that portion of a telegraphic or telephonic instrument by means of which a message is sent; -- opposed to receiver.

A vibrating reed for transmitting or receiving pulsating currents in a harmonic telegraph system. (3)