Search results
Results from the WOW.Com Content Network
The company was the first in the United States specifically organized for the manufacture and sale of incandescent electric light bulbs. [17] In 1878, the company demonstrated an electric light that was the invention of Sawyer and Man. An exhibition was set up in New York City on October 29, 1878. [18]
Sir Joseph Wilson Swan FRS (31 October 1828 – 27 May 1914) was an English physicist, chemist, and inventor.He is known as an independent early developer of a successful incandescent light bulb, and is the person responsible for developing and supplying the first incandescent lights used to illuminate homes and public buildings, including the Savoy Theatre, London, in 1881.
The Edison and Swan Electric Light Company Limited was a manufacturer of incandescent lamp bulbs and other electrical goods. It was formed in 1883 with the name Edison & Swan United Electric Light Company with the merger of the Swan United Electric Company and the Edison Electric Light Company. [1] [2]
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
At the age of 39 while living in Salem, Massachusetts, he lit the parlor of his home at 11 Pearl St with incandescent lamps, the first house in the world to be lit by electricity. He was a co-inventor of the self-exciting dynamo, an electric generator using electromagnets for the field which are energized by the generator output, in 1866. [5]
Hammer invented the electric advertising sign, by constructing a ten foot long, four foot high sign with 12 bulbs for each letter of the name "Edison," which had a rotating drum switch to light the letters one by one and then all at once. It was exhibited at The Crystal Palace in London in February 1882. [6]
1890s: He invented a few types of filament lamps with metallic filaments; some say he was the first scientist to use a tungsten filament. He got a patent for lamps with tungsten filaments (US Patent No. 575,002 Illuminant for Incandescent Lamps , Application on 4 January 1893) [ 1 ] and sold it to General Electric (1906), [ citation needed ...
Edward E. Hammer (December 27, 1931 – July 16, 2012) [1] was an engineer who was at the forefront of fluorescent lighting research. His technological contributions in incandescent, fluorescent and HID light sources earned him over 35 patents.