Video encyclopedia

Electrical telegraph


Working of a Telegraph - Physics


How Does Morse Code Work?


Invention of the Telegraph


How the Telegraph Changed Communication


how telegraph works ? 3d video | samuel F.B. morse invention | early age telegraph |

An electrical telegraph was a point-to-point text messaging system, used from the 1840s until better systems became widespread. It used coded pulses of electric current through dedicated wires to transmit information over long distances. It was the first electrical telecommunications system, the most widely used of a number of early messaging systems called telegraphs, devised to send text messages more rapidly than written messages could be sent.
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