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Edison invented a highly sensitive device, that he named the tasimeter, which measured infrared radiation. His impetus for its creation was the desire to measure the heat from the solar corona during the total Solar eclipse of July 29, 1878. The device was not patented since Edison could find no practical mass-market application for it. [103]
In 1878, Lester Pelton invented his prototype known as the Pelton's wheel, first demonstrating it to miners in the Sierra Nevada. In 1880, Lester Pelton received a patent for his invention. [228] 1878 Bolometer. A bolometer measures the energy of incident electromagnetic radiation. It was invented in 1878 by American astronomer Samuel Pierpont ...
August 9 – The Wallingford Tornado of 1878, the deadliest tornado in Connecticut history, destroys the town of Wallingford, killing 34 people and injuring 70 or more. September 30 – The ship Priscilla arrives in Hawaii from Funchal, Madeira, marking the beginning of the Portuguese immigration to the Hawaiian Islands (1878–1913).
In 1877 and 1878, Edison invented and developed the carbon microphone used in all telephones along with the Bell receiver until the 1980s. After protracted patent litigation, a federal court ruled in 1892 that Edison and not Emile Berliner was the inventor of the carbon microphone. The carbon microphone was also used in radio broadcasting and ...
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
Chesebrough opened his first factory in 1870. The first known reference to the name Vaseline is in his U.S. patent: "I, Robert Chesebrough, have invented a new and useful product from petroleum which I have named 'Vaseline…'" . The word is believed to come from German Wasser (water) + Ancient Greek: έλαιον (élaion, oil). [5]
Joseph Henry (December 17, 1797 [1] [2] – May 13, 1878) was an American physicist and inventor who served as the first secretary of the Smithsonian Institution.He was the secretary for the National Institute for the Promotion of Science, a precursor of the Smithsonian Institution. [3]
In 1878 Hughes published his work on the effects of sound on the powered electronic sound pickups, called "transmitters", being developed for telephones. [6] He showed that the change in resistance in carbon telephone transmitters was a result of the interaction between carbon parts instead of the commonly held theory that it was from the ...