Harrison Gray Dyar (1805–1875) was an American chemist and inventor.
Dyar grew up in Concord, Massachusetts. As a young man he initially made a living as an apprentice watchmaker, working for the Concord clockmaker Lemuel Curtis from 1818 to 1825. For many years he lived in Paris where he made a good living as a chemist. In 1858 he returned to America and settled in New York City. He married May 9, 1865.
Alfred Munroe in Concord and the Telegraph...
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Harrison Gray Dyar (1805–1875) was an American chemist and inventor.
Dyar grew up in Concord, Massachusetts. As a young man he initially made a living as an apprentice watchmaker, working for the Concord clockmaker Lemuel Curtis from 1818 to 1825. For many years he lived in Paris where he made a good living as a chemist. In 1858 he returned to America and settled in New York City. He married May 9, 1865.
Alfred Munroe in Concord and the Telegraph records that Dyar and his brother Joseph were interested in the newly developed technology of electricity. They came up with the idea of transmitting a message over electrical wire. Dyar experimented and finally concluded that he had discovered how a message could be transmitted over a single wire. In 1826 he and his brother laid a wire line along the "Causeway", later called Lowell Road and the Red Bridge Road, that proved the technique viable. According to Colonel William Whiting of Concord, the telegraph wire was strung from the trees...
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