Georges-Louis Le Sage, Swiss physicist

Bildnummer 12446431
Georges-Louis Le Sage, Swiss physicist
Georges-Louis Le Sage (1724-1803). 1868 illustration of the Swiss physicist Georges-Louis Le Sage with his telegraph machine in Geneva, Switzerland, in 1774. Le Sage is best known for inventing the first telegraph system. In 1774, he attempted to use static electricity for signalling, part of early experiments on wire telegraphy. He used an electrostatic generator to generate the charge, with electric pulses sent down wires and measured with an electroscope. Le Sage used 24 wires, each representing a letter of the alphabet. However, although his system worked, it was impractical and not adopted. Practical electric telegraphy was invented in 1837. Le Sage is also known for his theory of gravitation.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Collection Abecasis
Bildgröße: 3543 px × 2709 px
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