Aime Argand. Engraving of Aime Argand (1755-1803), Swiss physicist. In 1784, Argand invented a vastly improved oil lamp. The lamp had a really bright flame. It used a wick of circular section fitted between two concrete metal tubes, so air was supplied to both sides of the wick. It was much used in lighthouses.
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Creative#:
TOP10190441
Source:
達志影像
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RM
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