In 1798 Scot William Murdoch attempted to use coal gas for lighting the caves near his home in Cornwall. After 12 years, he has made gas lighting in his own house in Redruth, and later decided to create a gas lighting system at factory near Birmingham. In 1807 London street Pell-Mell for the first time in the world had gas lighting. Despite difficulties with the removal of soot, up to 1830, the streets of many large cities in Europe and North America already covered gas lights. The first gas lamps gave out quite a dim flame, and only after the appearance in 1885 of a mesh lamp Baron von von welsbach gas began widespread use for indoor lighting. Above the nozzle, in which coal gas mixed with air, von Welsbach cemented AME grid. When the gas is lit, the grid was brightly Rosaryville, emitting a warm white light. This design proved to be surprisingly successful that by the late 1930s the gas remained a serious competitor to electricity.
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