Search results
Results From The WOW.Com Content Network
Watson in his later years, holding Bell's original telephone. Born in Salem, Massachusetts, [1] United States Watson was a bookkeeper and a carpenter before he found a job more to his liking in the Charles Williams machine shop in Boston in 1872. [2]
The Texas State Police (TSP) is a defunct 19th century law enforcement agency that was created following the Civil War by order of Texas Governor Edmund J. Davis. The TSP worked primarily against racially based crimes in Texas , and included black policemen.
Shows Bell's second telephone transmitter , invented 1876 and first displayed at the Centennial Exposition, Philadelphia. This history of the telephone chronicles the development of the electrical telephone, and includes a brief overview of its predecessors. The first telephone patent was granted to Alexander Graham Bell in 1876.
Kellogg company logo as used from the 1920s to the 1950s. The Kellogg Switchboard and Supply Company was an American manufacturer of telecommunication equipment. Anticipating the expiration of the earliest, fundamental Bell System patents, Milo G. Kellogg, an electrical engineer, founded the company in 1897 in Chicago to produce telephone exchange equipment and telephone apparatus.
Russian engineer Pavel Yablochkov invented the electric carbon arc lamp: 1876: Scottish inventor Alexander Graham Bell patented the telephone 1877: American inventor Thomas Edison invented the phonograph: 1877: German industrialist Werner von Siemens developed a primitive loudspeaker: 1878: First electric street lighting in Paris, France 1878
By 1900, the telegraph had become an integral part of American life, linking people and businesses across the country and around the world. In 1876, Alexander Graham Bell invented the telephone. After 1920 it replaced the telegraph as the primary means of communication between cities.
Strowger sold his patents to his associates in 1896 for $1,800 (about $59,000 in 2021) [4] and sold his share in the Automatic Electric Company for $10,000 (about $330,000 in 2021) [5] in 1898. His patents were subsequently sold to Bell Systems for $2.5 million in 1916 (about $63,000,000 in 2021). [6]
In 1878, Holmes became the president of the newly established Bell Phone Company. While he sold his interests two years later for US$100,000, [9] he kept his rights to use the company phone lines for his alarm system. [8] The use of electricity for street lights in 1880 changed the market, as people started accepting electrical models.