He moved back to London in 1857 to sell his invention and was committed to transmitting sound through wires.[11] Hughes found that his equipment was based on the loose contact between the carbon rod and the two carbon blocks and the metal particles in the microphone. It showed unusual characteristics in the case of sparks in nearby equipment, which may herald later Known equipment as a coherer.
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[10] [19] [20] carbon rod and two carbon blocks, which he called “corrector ”[ in 1899, also new data Similar to the device called the crystal radio detector. The Royal Earl of the Royal Society （ September 9, 1814 to February 25, 1895 ） was the inventor of the first printed telegram, which is now kept in the Smithsonian Society. His nephew Henry Alonzo House is also a famous early American inventor.
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The Royal Earl House (Royal Earl House) spent his childhood experiments, designs, and construction in Vermont, a habit that earned him a reputation as an adult. He once grabbed a toad, peeled its skin, and put a set of BR Lists spring on the skin to let it jump. Around 1840, he went to Buffalo, New York, to live with relatives and went to law school in the town. However, he read a book on electrology, which gave him great inspiration.
