. Bacteriology and mycology of foods. Food. BACTERIOLOGICAL APPARATUS Durham tube was more efficient but with the higher dilutions the Smith tube gave more consistent results. Browne and Ackman (1917) and Browne (1917) have stated that the following factors cause variations in the amounts of gas produced in lactose peptone bile and lactose broth: (1) Temperature; (2) Time of incubation, (3) Initial reaction of the culture medmm; (4) Length of inverted vial, (5) Source of bile; (6) Absorption of formed gas. Graves (1917) inverts the small inner tube over a wooden rod which lifts the tube a dist
. Bacteriology and mycology of foods. Food. BACTERIOLOGICAL APPARATUS Durham tube was more efficient but with the higher dilutions the Smith tube gave more consistent results. Browne and Ackman (1917) and Browne (1917) have stated that the following factors cause variations in the amounts of gas produced in lactose peptone bile and lactose broth: (1) Temperature; (2) Time of incubation, (3) Initial reaction of the culture medmm; (4) Length of inverted vial, (5) Source of bile; (6) Absorption of formed gas. Graves (1917) inverts the small inner tube over a wooden rod which lifts the tube a distance from the bottom of the outer tube. It is claimed that certain advantages obtain in this 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 Tanner, Fred Wilbur, 1888-1957. New York, John Wiley & Sons, Inc. ; [etc. ,etc. ]
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