The Argand lamp is a home lighting oil lamp producing a light output of 6 to 10 candela which was invented and patented in 1780 by Aimé Argand. Aside from the improvement in brightness, the more complete combustion of the wick and oil required much less frequent trimming of the wick.In France, they are known as "Quinquets" after Antoine-Arnoult Quinquet, a pharmacist in Paris, who used the idea originated by Argand and popularized it in France.