Filling the Thermometer
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
p-240
2025-11-20
20
The air is partly driven from the bulb by heating it, the open end of the tube is put into mercury, and some of the mercury is driven into the bulb by the atmospheric pressure when the bulb cools. By repeating the process, the bulb and tube are entirely filled. The mercury is then heated to a high temperature, and the tube is sealed at the top and left air-tight.
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