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 concentric metal tubes,so air was supplied to both sides of the wick. It was much used in lighthouses | |
Licence : | Droits gérés |
Crédit: | Science Photo Library |
Taille de l’image : | 2614 px × 3366 px |
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