high is sufficient. While the flask is yet cold, the unplugged cork is of the balloon is passed. It may, to secure it, be wound with a few turns of thread. This will not be tightly placed in the neck, with the barometer pro- jecting as shown in the cut. The water is boiled, the necessary if the… … BAROMETER AND MERCURY COLUMN. The other end of the tube is bent at right angles, or has a short piece of India rubber tubing slipped FOUNTAIN IN VACUO. tion 4s before. Then the flask is taken from the over it. The cork is plugged and placed tightly in the flaine, while the cork is introduced with…
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