. Bacteriology in medicine and surgery. A practical manual for physicians, health officers, and students. Bacteriology. BAGTJEBIOLOaiCAL TECHNIQUE. 213 put in an ice-chest for from eighteen to twenty-four hours. The infusion is strained, when cold, through a fine cheese-cloth, and to the clear filtrate 1 per cent, of peptone and per cent, of sodium chloride are added. The medium is then warmed for some minutes until the peptone is dissolved, and then exposed to live steam either without pressure in the Arnold steam sterilizer (Fig. 20) for thirty minutes, or in the autoclave (Fig. Fig. 20.
. Bacteriology in medicine and surgery. A practical manual for physicians, health officers, and students. Bacteriology. BAGTJEBIOLOaiCAL TECHNIQUE. 213 put in an ice-chest for from eighteen to twenty-four hours. The infusion is strained, when cold, through a fine cheese-cloth, and to the clear filtrate 1 per cent, of peptone and per cent, of sodium chloride are added. The medium is then warmed for some minutes until the peptone is dissolved, and then exposed to live steam either without pressure in the Arnold steam sterilizer (Fig. 20) for thirty minutes, or in the autoclave (Fig. Fig. Arnold steam sterilizer. 21) at one atmosphere of pressure for fifteen minutes, or boiled over a free flame for ten minutes. While still hot it is filtered through filter-paper or through absorbent cotton, and the reaction is tested and suf- ficient hydrochloric acid or sodium hydroxide added. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Park, William Hallock, 1863-1939; Guerard, Arthur Rose, 1851-. New York and Philadelphia, Lea Brothers & Co
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