...alcohol. The drug is then packed (irmly, unless otherwise directed, and sufficient menstruum is poured on to saturate the powder and leave a stratum above it;...when the liquid begins to drop from the percolator, the lower orifice is closed, the percolator closely covered, and the drug allowed to macerate for twenty-four...

...or less firmly according to the nature of the drug) and enough menstruum is poured on to thoroughly saturate the powder and leave a stratum above it....When the liquid begins to drop from the percolator, the lower orifice is closed, the percolator closely covered and the drug allowed to' macerate for fortyeight...

...saturated with eufficient 1 ,,or cent, sodium hydroxide solution to leave a stratum above the mass. When the liquid begins to drop from the percolator, close the lower orifice and macerate the sawdust for 24 hours. Then allow percolation to proceed slowly until the alkaline percolate...

...water, pack in a cylindrical percolator and pour on enough of a 1 per cent, solution of sodium hydroxide to saturate the powder and leave a stratum above it. When the liquid drops from the percolator, close the lower orifice and macerate the sawdust during twenty-four hours....

...six hours). Then pack it firmly (with the handle of the spatula) and pour on enough of the menstruum to saturate the powder and leave a stratum above it....drop from the percolator close the lower orifice, and let the tightly closed percolator macerate for forty-eight hours (or until the next laboratory period)....

...alcohol, 3 parts, and water, 1 part; then pack it in a percolator. Cover it with enough of the dilute alcohol to saturate the powder and leave a stratum...drop from the percolator close the lower orifice, closely cover the percolator and permit the material to stand thus for 48 hours. Then allow the percolation...

...for six hours; then pack it firmly, unless otherwise directed, and pour on enough of the menstruum to saturate the powder and leave a stratum above it....having closely covered the percolator, macerate for twenty-four hours. Then allow the percolation to proceed slowly (about 20 drops per minute), gradually...

...conical percolator and pour on enough of the menstruum to saturate the drug and leave a stratum of liquid above it. When the liquid begins to drop from the percolator, close the lower orifice, cover the percolator and macerate for six hours. Then allow the percolation to proceed slowly, pouring...

...firmly in a cylindrical percolator, and gradually pour upon it twelve fluidounces of Alcohol. V/hen the liquid begins to drop from the percolator, close the lower orifice with a cork, and, having closely covered the percolator, to prevent evaporation, set it aside in a...

...mixture, pack it in a cylindrical glass percolator, then add enough menstruum to saturate the drug and leave a stratum above it. When the liquid begins...orifice, and, having closely covered the percolator, allow it to macerate for 48 hours. Then allow the percolation to proceed, gradually adding, first,...