Lodygin Alexander( Russian electrical engineer, inventor of the incandescent)
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Biography Lodygin Alexander
Alexander Lodygin was born in 1847.
He studied at a military engineer in the Moscow military academy, where he graduated in 1867. Soon, going to resign, he began to develop the scheme incandescent.
Originally Lodygin tried to use as a filament iron wire. Having failed moved on to experimenting with carbon rod placed in a glass cylinder.
In 1872 Lodygin applies for the invention of incandescent lamps, and in 1874 - received a patent for his invention and the Lomonosov Prize of the St. Petersburg Academy of Sciences.
In the late nineteenth century Lodygin invented several types of lamps with metallic filaments. Lodygin first proposed the use of tungsten filament lamps (in the modern electric light bulbs the filament is of tungsten).
In addition to electric lamps Lodygin designed electric heating appliances, electric furnaces for smelting metals from ores and other.
Alexander Lodygin was one of the founders of the electrical department of the Russian Technical oyuschestva. He participated in the publication of "Electricity". In 1899, Alexander Nikolayevich Lodygin was awarded an honorary electrical engineering.
Technical ideas Alexandra Lodygin the construction of electric furnaces for smelting were not supported in Tsarist Russia, and in 1916 he went abroad. He worked in France and the U.S..
In 1923, Alexander Lodygin died.