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François-Pierre-Amédée Argand, known as Ami Argand (5 July 1750 – 14 [1] or 24 October 1803 [2]) was a Genevan physicist and chemist. He invented the Argand lamp , a great improvement on the traditional oil lamp .
The Argand lamp is a type of oil lamp invented in 1780 by Aimé Argand. Its output is 6 to 10 candelas , brighter than that of earlier lamps. Its more complete combustion of the candle wick and oil than in other lamps required much less frequent trimming of the wick.
1780 Ami Argand invents the central draught fixed oil lamp. 1784 Argand adds glass chimney to central draught lamp. 1786 William Nicholson proposes use of concentric wicks. [3] 1792 William Murdoch begins experimenting with gas lighting and probably produced the first gas light in this year.
Ami Argand (1750–1803), France – Argand lamp William George Armstrong (1810–1900), UK – hydraulic accumulator Neil Arnott (1788–1874), UK – waterbed
Argand may refer to: Aimé Argand (1755 – 1803), Swiss physicist and chemist and inventor of the argand lamp; Émile Argand (1879 – 1940), Swiss geologist;
Ami Argand From a page move : This is a redirect from a page that has been moved (renamed). This page was kept as a redirect to avoid breaking links, both internal and external, that may have been made to the old page name.
Versoix river at Versoix, 2007 Aerial view from 100 m by Walter Mittelholzer (1925). Versoix has an area, as of 2009, of 10.51 square kilometers (4.06 sq mi).Of this area, 3.06 km 2 (1.18 sq mi) or 29.1% is used for agricultural purposes, while 4 km 2 (1.5 sq mi) or 38.1% is forested.
An artist's impression of one of the Bude Lights installed at Trafalgar Square, London, in 1845. A Bude-Light was a very bright oil lamp (later, in its modified form, a gas lamp) invented by Sir Goldsworthy Gurney, patented by him on 8 June 1839 and named after Bude, Cornwall, where he lived.