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1. Street light
July 28, 2010
History Before incandescent lamps, gas lighting was employed in cities. The earliest lamps required that a lamplighter tour the town at dusk, lighting each of the lamps, but later designs employed ignition devices that would automatically strike the flame when the gas supply was activated. The earliest of such street lamps were built in the Arab Empire, especially in Crdoba, Spain. The first modern street lamps, which used kerosene, were introduced in Lvov, Poland in 1853. The first electric street lighting employed arc lamps, initially the 'Electric candle', 'Jablotchkoff candle' or 'Yabloc... (read more)
Author: wgr erg
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