 | William Marrat - 1810 - عدد الصفحات: 512
...inches above the surface of the mercury in the vessel : this instrument is called a B.AROMETEK. 572. The mercury is supported in the tube, by the pressure of the air upon the surface of (he .mercury in the vessel ; for when this pressure is removed, by placing the... | |
 | Olinthus Gregory - 1815 - عدد الصفحات: 604
...these experiments. Now if D be the defect of the gauge from the standard altitude, it will measure the pressure of the air on the surface of the mercury in the vessel: let A be the altitude of the mercury in the vessel: above the upper orifice of the pipe, and p the... | |
 | 1840 - عدد الصفحات: 772
...explain the construction of the common harometer, and to show that the mercury is sustained in it hy the pressure of the air on the surface of the mercury in the hasin. Prop. 18. The pressure of the atmosphere is accurately measured hy the weight of the column... | |
 | 1829 - عدد الصفحات: 522
...thus arranged be introduced under the receiver of an air-pump, and let the air be gradually withdrawn. The pressure of the air on the surface of the mercury in the tube GD being gradually diminished, the elasticity of the air in AE, pressing on the surface F, will... | |
 | William Whewell - 1837 - عدد الصفحات: 226
...explain the construction of the common barometer, and to shew that the mercury in the tube is sustained by the pressure of the air on the surface of the mercury in the basin. A Barometer is a (glass) tube, closed at one end and open at the other, which, being filled... | |
 | John Charles Snowball - 1838 - عدد الصفحات: 114
...To explain the construction of the common Barometer, and to shew that the mercury is sustained in it by the pressure of the air on the surface of the mercury in the basin. The Barometer is an instrument for measuring the pressure of the air. It consists of a glass... | |
 | Encyclopaedia - 1845 - عدد الصفحات: 902
...mercury in these experiments. Now if D be the detect of the gunge from the standard e, it will mensure the pressure of the air on the surface of the mercury in the vessel. Let Л be the . а1['1|К1е °f tne niercury in the vessel above the upper orifice of the pipe, und... | |
 | Bengal council of educ - 1848 - عدد الصفحات: 394
...law, and detail an experiment by which it may be proved. 7. The mercury is sustained in the barometer by the pressure of the air on the surface of the mercury in the basin ; and the pressure of the atmosphere is accurately measured by the height of this column. 8.... | |
 | University of Cambridge - 1849 - عدد الصفحات: 560
...To explain the construction of the common barometer, and to shew that the mercury is sustained in it by the pressure of the air on the surface of the mercury in the basin. Prop. 18. The pressure of the atmosphere is accurately measured by the weight of the column... | |
 | Alonzo Gray - 1850 - عدد الصفحات: 422
...a receiver is placed upon the pump plate, a, and the air exhausted, the tube is also exhausted, and the pressure of the air on the surface of the mercury in the cup forces it up the tube, and the height to which it rises will indicate the degree of exhaustion.... | |
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To explain the construction of the common barometer, and to shew that the mercury is sustained in it by the pressure of the air on the surface of the mercury in the basin. 
