. A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum. e heat exercised upon it. There is another condition which you mustlearn as regards the candle, without which youwould not be able fully to understand the philo-sophy of it; and that is the vaporous conditionof the fuel. In order that you may understandthat, let me show you a very pretty, butvery commonplace experiment. If you blowa candle out cleverly, you will see the vapourrise from it. You have, I know, often smeltthe vapour of a blown-out candle—and a verybad sme
. A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum. e heat exercised upon it. There is another condition which you mustlearn as regards the candle, without which youwould not be able fully to understand the philo-sophy of it; and that is the vaporous conditionof the fuel. In order that you may understandthat, let me show you a very pretty, butvery commonplace experiment. If you blowa candle out cleverly, you will see the vapourrise from it. You have, I know, often smeltthe vapour of a blown-out candle—and a verybad smell it is; but if you blow it out cleverly,you will be able to see pretty well the vapourinto which this solid matter is transformed. Iwill blow out one of these candles in such away as not to disturb the air around it, by thecontinuing action of my breath; and now, ifI hold a lighted taper two or three inches fromthe wick, you will observe a train of fire goingthrough the air till it reaches the candle. I 20 BRILLIANCY OF FLAME. am obliged to be quick and ready, because if Iallow the vapour time to cool, it becomes con-. Fig. into a liquid or solid, or the stream ofcombustible matter gets disturbed. Now, as to the shape or form of the concerns us much to know about the con-dition which the matter of the candle finallyassumes at the top of the wick, where you havesuch beauty and brightness as nothing butcombustion or flame can produce. You havethe glittering beauty of gold and silver, andthe still higher lustre of jewels like the rubyand diamond; but none of these rival thebrilliancy and beauty of flame. What diamond OP ELAME. 21 can shine like flame? It owes its lustre atnight-time to the very flame shining upon flame shines in darkness, but the lightwhich the diamond has is as nothing, until theflame shine upon it, when it is brilliant candle alone shines by itself and for itself,or for those who have arranged the , let
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectchemistry, bookyear18
