. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Rural School Leaflet. 903 5. When adding milk or acid to the test bottle, slant the bottle. The liquid will then run down the lower inside of the neck of the bottle, and will not be forced out by outcoming air. 6. Do not hold the bottle so that its mouth points toward yourself or any one else. The action of the acid upon the milk produces great heat. This heat often causes the contents of the bot- tle to spurt out vio- len
. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Rural School Leaflet. 903 5. When adding milk or acid to the test bottle, slant the bottle. The liquid will then run down the lower inside of the neck of the bottle, and will not be forced out by outcoming air. 6. Do not hold the bottle so that its mouth points toward yourself or any one else. The action of the acid upon the milk produces great heat. This heat often causes the contents of the bot- tle to spurt out vio- lently. 7. After adding the acid to the milk, shake the bottle thoroughly until the contents be- come quite dark in color. 8. After using the pipette wash it thoroughly, prefer- ably in hot water. This will tend to prevent the trans- mission of disease germs from the mouth of one per- son to another, should any such germs be present. 9. The tester should be firmly fastened to a solid ^\. 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 Cornell University. Agricultural Experiment Station. [Ithaca, N. Y. ?], 1900-1910. James B. Lyon, State printer)
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