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" 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. "
Infection and Immunity: With Special Reference to the Prevention of ... - Page 55
by George Miller Sternberg - 1903 - 293 pages
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A Manual of Bacteriology

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...
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A Text-book of bacteriology

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...
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Report, Issues 10-11

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...
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Applied Bacteriology; an Introductory Handbook for the Use of Students ...

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...
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Annual report of the State Department of Health of Maine. 1896/97

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...
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Annual Report of the State Board of Health of the State of Maine, Volume 10

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...
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New York Lancet

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...
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Bacteriology in Medicine and Surgery: A Practical Manual for Physicians ...

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...
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Transactions...: June 1898-June 1906, V. 1-7, Volumes 1-2

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...
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Report of the ... Meeting, Volume 9

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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