The Clinical Thermometer
المؤلف:
GEORGE A. HOADLEY
المصدر:
ESSENTIALS OF PHYSICS
الجزء والصفحة:
P-244
2025-11-23
14
is used in taking the temperature of the human body. The tube of this thermometer is pinched nearly together near the lower end. When the thermometer cools, the mercury column breaks at this narrowest part, and the column in the tube remains
FIG. 1. Clinical Thermometer
just as it was at the highest temperature during the time of its use; the reading, therefore, can be taken at any time. Before it is used again, the column is reduced by a jerking motion which forces some of the mercury past the constriction into the bulb.
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