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According to historian Robert W Garnet, in the six years after Bell's invention of the telephone in 1876, his new company managed to increase its capital from a small amount to US$10 million (equivalent to $320 million in 2023).
Philipp Reis, 1861, constructed the first telephone, today called the Reis telephone. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in 1876. Elisha Gray, 1876, designed a telephone using a water microphone in Highland Park, Illinois.
28 January 1878: The first commercial North American telephone exchange is opened in New Haven, Connecticut. 4 February 1878: Edison demonstrates the telephone between Menlo Park, New Jersey and Philadelphia. 14 June 1878: The Telephone Company (Bell's Patents) Ltd. is registered in London.
Within 20 years of the 1876 Bell patent, the telephone instrument, as modified by Thomas Watson, Emil Berliner, Thomas Edison, and others, acquired a functional design that has not changed fundamentally in more than a century.
By 1877, construction of the first regular telephone line from Boston to Somerville, Massachusetts, had been completed. By the end of 1880, there were over 49,000 telephones in the United States. The following year, telephone service between Boston and Providence, Rhode Island, had been established.
When Bell and Thomas A. Watson exhibited their telephone at the Centennial Exposition in Philadelphia in 1876, Henry saw to it that the invention received the Certificate of Merit.
By 1877, the Bell Telephone Company, which today is known as AT&T, was created. In 1915, Bell made the first transcontinental phone call to Watson from New York City to San Francisco. Did you...
On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father,...
From Benjamin Franklin's lightning rod to the Hubble Space Telescope, this timeline covers some of America's technological innovations and inventions.
In the 1870s two American inventors, Elisha Gray and Alexander Graham Bell, each independently, designed devices that could transmit speech electrically. Gray’s first device made use of a harmonic telegraph, the transmitter and receiver of which consisted of a set of metallic reeds tuned to different frequencies.