A Treatise On Chemistry Applied to the Manufacture of Soap And Candles Being a
A Treatise On Chemistry Applied to the Manufacture of Soap And Candles Being a
Campbell Morfit
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Thus create a loss of the burning material, and an unpleasant atmosphere in the apartment where it is burned. To provide against this inconvenience in the case of oils, the Argand lamp was constructed, so as to perfect the combustion of the excessive carbonaceous matter by allowing a current of air through the centre of the flame; because, in order to a clear and brilliant flame, there must be a complete consumption of the carbon, or, in other words, it must have oxygen enough to convert its ca...rbon into carbonic acid gas. The larger the flame, the greater the quantity of light, and its brightness is increased by every circumstance promotive of the rapidity and in- tensity of combustion; for instance, as in the Argand burner, by a stream of air, or, as in the Bude or Gurney light, by a current of pure oxygen gas. The light is not only thus augmented by the accelerated combustion, but by the carbon being more highly ignited by the increased temperature of the flame. " In an ordinary flame, such as that of a spirit lamp or candle, the gaseous matter is in free contact with the air only at the exterior of the flame, where alone perfect combustion takes place.
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