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42
THE CHEMICAL HISTORY OF A CANDLE.
analysed a flame of that general character, and the diagram shews you the different parts of which it is composed. They do not occur all at once: it is only because we see these shapes in such rapid succession, that they seem to us to exist all at one time.
It is too bad that we have not got further than my game of snapdragon; but we must not, under any circumstances, keep you beyond your time. It will be a lesson to me in future to
Fig. 6.
hold you more strictly to the philosophy of the thing, than to take up your time so much with these illustrations.
