 | Olinthus Gregory - Mechanical engineering - 1815 - 604 pages
...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... | |
 | 1840 - 772 pages
...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... | |
 | Physics - 1829 - 522 pages
...thus arranged be introduced under the receiver of an air-pump, and let the air be gradually withdrawn.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 - 226 pages
...appeared that as the receiver was exhausted the mercury in the Torricellian experiment fell. *PROP. XXVII. To 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... | |
 | Encyclopaedia - 1845 - 902 pages
...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... | |
 | Bengal council of educ - 1848 - 394 pages
...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. The specific... | |
 | University of Cambridge - 1849 - 560 pages
...its operation. Prop. 16. To describe the construction of the condenser and its operation. Prop. 17. To explain the construction of the common barometer,...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 of mercury... | |
 | Alonzo Gray - Physics - 1850 - 422 pages
...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.... | |
 | Thomas Baker - Dynamics - 1851 - 188 pages
...in the tube, above the level of the mercury in the vessel. That the mercury is supported in the tube by the pressure of the air on the surface of the mercury in the vessel, is evident from placing the barometer under the receiver of an air pump (to be .hereafter described).... | |
 | T. Baker - Dynamics - 1851 - 172 pages
...in the tube, above the level of the mercury in the vessel. That the mercury is supported in the tube by the pressure of the air on the surface of the mercury in the vessel, is evident from placing the barometer under the receiver of an air pump (to be hereafter described).... | |
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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. 
