| George Miller Sternberg - Bacteriology - 1892 - 936 pages
...Koch states that the tubercle bacillus is killed by the action of direct sunlight in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight also has the same effect, although a considerably longer time of exposure is required... | |
| George Miller Sternberg - 1896 - 752 pages
...Koch states that the tubercle bacillus is killed by the action of direct sunlight in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight also has the same effect, although a considerably longer time of exposure is required... | |
| Maine. State Board of Health - Maine - 1898 - 782 pages
...in 1890, Koch stated that the bacillus of tuberculosis is killed by the action of direct sunlight in from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight has the same effect, but acts more slowly. Ransome and Delepine made a series of... | |
| Thomas Hames Pearmain, Cresacre George Moor - Bacteriology - 1898 - 554 pages
...1890, Koch stated that the tubercle bacillus was killed by the action of sunlight in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight had the same effect, although a considerably longer time was required ; when placed... | |
| 1898 - 416 pages
...in 1890, Koch stated that the bacillus of tuberculosis is killed by the action of direct sunlight in from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight has the same effect, but acts more slowly. Ransome and Delepine made a series of... | |
| Maine. State Board of Health - Maine - 1898 - 422 pages
...in 1890, Koch stated that the bacillus of tuberculosis is killed by the action of direct sunlight in from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused daylight has the same effect, but acts more slowly. Ransome and Delepine made a series of... | |
| 1900 - 472 pages
...hours. Typhoid is destroyed in two hours, diphtheria in from one-half to one hour, tubercle bacilli in from a few minutes to several hours, depending upon the thickness of the mass (Koch) ; cholera in four hours; bubonic plague in one hour. However, owing to the uncertainty... | |
| William Hallock Park - Bacteriology - 1899 - 706 pages
...According to Koch, the tubercle bacillus is killed by the action of direct sunlight in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed and the season of the year. Diffuse daylight also had the same effect, although a considerably longer... | |
| Associated Physicians of Long Island - 1900 - 336 pages
...hours. Typhoid is destroyed in two hours, diphtheria in from one-half to one hour, tubercle bacilli in from a few minutes to several hours, depending upon the thickness of the mass (Koch) ; cholera in four hours; bubonic plague in one hour. However, owing to the uncertainty... | |
| ANZAAS (Association) - Australia - 1903 - 1032 pages
...Koch states " that the tubercle bacilli is killed by the action of direct sunlight, in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed. Diffused light has the same effect, although a considerably longer time of exposure is required." Sternberg... | |
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