Page:Treatise on Soap Making.djvu/81

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small quantity of spirit of wine, or alcohol stirring them together until the oil is observed to lose its oily quality, and to become, as it were, one body with the mixing spirit. The proper time for incorporating this perfume with the soap, is during the casting into the frames, and should be put in at two or three different periods. When all is in, finish as formerly directed, by stirring and covering close up.

This essential oil of caraway is esteemed an exceeding strong perfume, asserted by some chemists to be about twenty times stronger than anise seed. As a proof of the amazing volatility of this perfume, the distiller will find some difliculty, for several days after the operation, to wash himself clear of the scent, even suppose he strip to the skin, and change every article of dress. The quantity, therefore, to be used by the soap-maker, for his certain purpose,