. Agricultural bacteriology. Bacteriology, Agricultural. FIG. 2.—Experiment of Schulze: Forcing air through sulphuric acid. (Lafar.) of the air subjected to such drastic treatment had been responsible for the absence of bacteria in the infusion. The work of Schroeder and Dusch (1853) was more convincing, for they found that it was sufficient to stopper the bottles .with cotton plugs; the air passed in but the microorganisms were held back by the cotton and the. FIG. 3.—Experiment of Schwann: Heating air tp make it sterile. (Lafar.) contents of the flasks kept in good condition. Every now and t


. Agricultural bacteriology. Bacteriology, Agricultural. FIG. 2.—Experiment of Schulze: Forcing air through sulphuric acid. (Lafar.) of the air subjected to such drastic treatment had been responsible for the absence of bacteria in the infusion. The work of Schroeder and Dusch (1853) was more convincing, for they found that it was sufficient to stopper the bottles .with cotton plugs; the air passed in but the microorganisms were held back by the cotton and the. FIG. 3.—Experiment of Schwann: Heating air tp make it sterile. (Lafar.) contents of the flasks kept in good condition. Every now and then the contents of a flask would spoil, even after it had been carefully stoppered and boiled. This remained a stumbling block in the way of those who maintained that life sprang only from life, until in the year 18G5 when Pasteur demonstrated that many bacteria may pass. 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 Greaves, J. E. (Joseph Eames), b. 1880. Philadelphia New York, Lea & Febiger


Size: 1918px × 1302px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectbacteri, bookyear1922