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
An Argand lamp in use in A Portrait of James Peale, done in 1822 by Charles Willson Peale
Argand lamp with circular wick and glass chimney. Illustration from Les Merveilles de la science (1867–1869) by Louis Figuier.
An astral lamp, an Argand lamp designed so that the reservoir does not cast a separate shadow
Brier Island Lighthouse cropped
A Bude-Light was a very bright oil lamp invented by Sir Goldsworthy Gurney, patented by him on 8 June 1839 and named after Bude, Cornwall, where he lived.
Bude Light in the south-east corner of Trafalgar Square, now lit by electricity. The lamp's granite column has been converted into a police post, sometimes described as "London's smallest police station".