Page:The chemical history of a candle.djvu/81

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RELATIVE BULKS OF WATER AND STEAM.
79

obliged to give way, and is crushed inwards, as in the other case, by the further application Fig. 12. of heat, it would have been blown outwards.

And what do you think the bulk of that water is when it assumes the vaporous condition? You see that cube [pointing to a cubic foot]. There, by its side, is a cubic inch, exactly the same shape as the cubic foot, and that bulk of water [the cubic inch] is sufficient to expand into that bulk [the cubic foot]