there is a carbon rod inside, an incandescent lamp from 1874, a copy that was created by alexander nikolaevich lodyginand apparently for exhibition purposes, lodygin was the first to think of pumping out the air from this light show . this modified lamp, ladygin didrikhson’s lamp, illuminated one of the premises of florent’s store for about two months, and in st. petersburg on the large sea street. and it was used, this is his underwater lamp, used in the repair of kisons and in the construction of the alexander bridge. he was the first to propose the use of metals for filaments. the lamp, modified with his assistant vasily didrikhson, is another monument of science and technology in the world of such units, lodegin spent his whole life perfecting his invention , four rods, they did not all burn at once, but one by one, that is, one burned out, the next one burned out, burned out, sunbathed, crept in the next one, thereby making it possible to increase the burning time of such a lamp to 700 hours. but at the same time with ladygin another russian scientist, pavel yablochkov, is also experimenting. thi

familiar, with a carbon rod inside. incandescent lamp. 1874 copy, which was created by alexander nikolaevich lodyginy for exhibition purposes. lodygin was the first to think of pumping out the air from the flask and took the lamp out of the laboratory on the street. shocked residents applauded this display of light. this modified lamp, ladagingin didrikhson’s lamp, illuminated one of the premises of florent’s store for about two months, and in st. petersburg on the large sea street. and it was used, this is already a supply. his lamp was used in the repair of kisons, during the construction of the alexander bridge, he was the first to suggest using metals for the filament, the lamp was processed with an assistant vasily didrikhson, another monument of science and technology, in the world there are only a few of them, lodegin spent his entire life bringing his invention to fruition. the rods did not burn all at once, but one by one, that is, one burned, the next one burned, burned, the next one burned, thereby allowing for an increase. but at the same time another russian scientist pavel yablochkov i

petersburg, the inventor of the soft light emanating from incandescent light bulbs , alexander nikolaevich lodyginnt, so why exactly the american, who actually did not create, but improved the lamp, remained in the memory of the authors of one of the greatest inventions of mankind, russian scientists against the genius of patents, in the course i sometimes even ask the question: who do you think invented incandescent lamps, unfortunately, among our compatriots, most often ideal remember, he was a practitioner and he set himself