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Lesage, Louis Georges In 1784 built a mechanical theory of gravitation (the theory of Lesage, based on the assumption that gravity is due to the motion of very small particles in all directions in the universe). In 1774 he built one of the first working models of the electric telegraph with an electrostatic machine (transmitter ) and electroscope (receiver), which was a separate wire for each of the 26 letters of the alphabet. Telegraph acting between the two rooms of his house. I tried to explain physical phenomena in gases.
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