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| | Lodygin (Site not responding. Last check: 2007-11-01) |
 | | Lodygin, Alexander Nikolayevich (1847 - 1923) (Лодыгин, Александр Николаевич in Russian), Russian electrical engineer and inventor. |
 | | On July 11, 1874, Lodygin was granted a Russian patent #1619 (which he applied for in 1872) for his filament lamp. |
 | | Lodygin is famous for constructing electrical heating appliances, electrical smelting furnaces, furnaces for metal-hardening, respirators etc. He is also known for his works on electric traction and electrification of cottage crafts. |
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