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into bottles, having a filler in the mouth. When all the oil seems to appearance to be extracted, the operation is finished, and nothing remains but to separate the oil from the water that has accompanied it. This must be accomplished by a separating-glass, or, if that cannot be had, prepare a few worsted threads; put one end of them into the bottle having the essential oil and water in it, and the other ends into an empty bottle along side: by this means, the whole of the essential oil will make its escape from the bottle of oil and water, by ascending the worsted threads, and drop into the empty bottle.
The oil being prepared and collected, we now proceed to get it ready for introducing into the soap. In its present state it is not fit, but must be, according to the common term, killed, or deprived of its oily nature. This is accomplished by mixing it with a
