Question

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Answer 1

Early lamps were used by Greek and Roman civilizations, where light primarily served the purpose of security, both to protect the wanderer from tripping on the path over something or keeping the potential robbers at bay. At that time oil lamps were used predominantly as they provided a long-lasting and moderate flame. A slave responsible for lighting the oil lamps in front of Roman villas was called a lanternarius. In the Middle Ages, so-called "liboys" escorted people from one place to another through the murky winding streets of medieval towns.

Before incandescent lamps, candle lighting was employed in cities. The earliest lamps required that a lamplighter tour the town at dusk, lighting each of the lamps. According to some sources, illumination was ordered in London in 1417 by Sir Henry Barton, Mayor of London though there is no firm evidence of this.

Answer 2

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