 | William Enfield - Astronomy - 1811 - 476 pages
...syringe and lead will descend ; but upon re- admitting the air, they will again be driven upwards. 7. If a thin glass vessel, whose aperture is closed,...vessel will be broken by the pressure of air within. PROP. L. The pressure of the atmosphere varies at different altitudes. EXP. Put a glass tube, open... | |
 | William Enfield - Astronomy - 1832 - 282 pages
...syringe and lead will descend ; but upon re-admitting the air, they will again be driven upward. 7. If a thin glass vessel, whose aperture is closed, be placed under the receiver of an air pump, arid the air exhausted from the receiver; the vessel will be broken by the pressure of air... | |
 | Industrial arts - 1838 - 348 pages
...will again be driven upwards. 5. If a thin glass vessel, whose aperiure is closed, be placed under a receiver of an air-pump, and the air exhausted from...bladder, pressed with the hand, will return into the form whi»h it had before the pressure. 2. An empty bladder, put under a receiver, when the external air... | |
 | Charles Hood - Heating - 1855 - 736 pages
...is exposed to the atmosphere. The quantity of evaporation is not affected by these causes. If water be placed under the receiver of an air-pump and the air exhausted, the full quantity of vapour which can be formed at that particular temperature will rise instantaneously... | |
 | Adolphe Ganot - Physics - 1865 - 518 pages
...extremity a solid sphere of lead. These are made to balance each other in the atmosphere. If the instrument be placed under the receiver of an air-pump and the air exhausted, the copper sphere will descend. This shows that in the air it was buoyed up by a force greater than... | |
 | William James Rolfe - 1868 - 336 pages
....force seems to be slight. If a rubber bag partially filled with air, and closed so as to be air-tight, be placed under the receiver of an air-pump, and the air exhausted from the receiver, the air within the bag will at once expand, as is shown by the filling out of the bag. The same is found... | |
 | William James Rolfe - 1869 - 368 pages
...force seems to be slight. If a rubber bag partially filled with air, and closed so as to be air-tight, be placed under the receiver of an airpump, and the air exhausted from the receiver, the air within the bag will at once expand, as we see by the filling out of the bag. This shows that gases... | |
 | Adolphe Ganot, William Guy Peck - Physics - 1871 - 516 pages
...extremity a solid sphere of lead. These are made to balance each other in the atmosphere. If the instrument be placed under the receiver of an air-pump and the air exhausted, the copper sphere will descend. This shows that in the air it was buoyed up by a force greater than... | |
 | Smithsonian Institution. Board of Regents - Discoveries in science - 1872 - 522 pages
...palladinm, the flame continuing until all the gas has been set free. Again, if a similarly charged wire be placed under the receiver of an air-pump and the air exhausted, the hydrogen is completely liberated in its ordinary gaseous condition. In order to complete this account... | |
 | Elroy McKendree Avery - Physics - 1878 - 480 pages
...globe and a lead ball), which balance one another in the air. If the apparatus thus balanced in the air be placed under the receiver of an air-pump, and the air exhausted, the globe will descend, thus seeming to be heavier than the lead ball which previously balanced it.... | |
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If a thin glass vessel, whose aperture is closed, be placed under the receiver of an air-pump, and the air exhausted from the receiver, the vessel will be broken by the pressure of air within. 
