Essence of Am′bergris

Syn. E entia ambræ griseæ , E. a. simplex , Tinctura a. concent rata , L. Prep. 1. Ambergris (cut very small), 5 dr.; rectified spirit, 1 pint; place them in a strong bottle or tin can, secure the mouth very firmly, and expose it to the heat of the sun, or in an equally warm situation, for 1 or 2 months, frequently shaking it during the time; lastly, decant, and filter through paper. 2. (Guibourt.) Ambergris, 1 dr.; rectified spirit, 3 oz.; digest 10 or 12 days. 3. (Redwood.) Ambergris, 2 1 ⁄ 2 dr.; rectified spirit, 1 pint; macerate for 14 days. Chiefly used as an element in other perfumes. The first is the formula employed by the London houses.