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Essence of Roses

Take of pure otto of roses 14 drachms (Troy); and alcohol (96 per cent.) 1 pint (Imperial); mix, place the bottle in a vessel of warm water until its contents acquire the temperature of about 85° concentrated infusions, decoctions, aqueous Fahr., then cork it close, and agitate it smartsolutions, and tinctures, are all often erroneously termed essences. In perfumery the word "essence" is applied only to a solution of an essential oil in deodorized alcohol, in the proportion, usually, of 2 drachms to 2 ounces of the essential oil to 1 quart of rectified spirits. Sometimes an essence, using the term in its correct sense, is distilled, with the addition of a little water; it is then called distilled aromatic spirits.