. Applied bacteriology; an introductory handbook for the use of students, medical officers of health, analysts and sanitarians. Bacteriology. 370 APPLIED BACTERIOLOGY cold water. Thick objects are removed for drying to a separate closet, which may be heated by the waste steam from the disinfector. The Testing of Steam Disinfectors.—Steam disinfectors may be examined either directly, by determining the exposure necessary for the destruction of test organisms, or indirectly, by measuring the temperature and other physical quantities. The direct method is unsatisfactory,. Fig. 36.—Beck's Disinfec
. Applied bacteriology; an introductory handbook for the use of students, medical officers of health, analysts and sanitarians. Bacteriology. 370 APPLIED BACTERIOLOGY cold water. Thick objects are removed for drying to a separate closet, which may be heated by the waste steam from the disinfector. The Testing of Steam Disinfectors.—Steam disinfectors may be examined either directly, by determining the exposure necessary for the destruction of test organisms, or indirectly, by measuring the temperature and other physical quantities. The direct method is unsatisfactory,. Fig. 36.—Beck's Disinfector. owing to the wide variability which specimens of appar- ently the same organism may display through circum- stances such as age of culture, presence of interfering media, etc., of which the variations cannot be measured, and of which even the qualitative effect cannot always be stated in general terms. In such an examination it is therefore impossible to take a given organism as com- parable with the same organism used in previous experi- ments ; and for it to have value, the inquiry must include. 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 Pearmain, Thomas Hames; Moor, Cresacre George. London, Baillie?re, Tindall and Cox
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbacteri, bookyear1898
