 | William Enfield - 1811 - 476 стор.
...admitting the air, they will again be driven upwards. 7. 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. PROP. L. The pressure... | |
 | Sir Richard Phillips - 1826 - 236 стор.
...re-admitting the air, they will again be driven upwards. 5. 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. 3. The air is an elastic... | |
 | Charles Hood - 1855 - 736 стор.
...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... | |
 | William James Rolfe - 1868 - 336 стор.
....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... | |
 | William James Rolfe - 1869 - 368 стор.
...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... | |
 | Smithsonian Institution. Board of Regents - 1872 - 522 стор.
...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 - 1878 - 480 стор.
...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. Is... | |
 | Arthur Herbert Church - 1883 - 164 стор.
...used, and if mechanical contrivances fail (a feather or sable pencil) then the liquid and stone should be placed under the receiver of an airpump and the air exhausted. Details concerning the specific gravity of each kind of precious stone will be found in chapter vi.... | |
 | Arthur Herbert Church - 1883 - 148 стор.
...used, and if mechanical contrivances fail (a feather or sable pencil) then the liquid and stone should be placed under the receiver of an airpump and the air exhausted. Details concerning the specific gravity of each kind of precious stone will be found in chapter vi.... | |
 | sir Arthur Herbert Church - 1883 - 152 стор.
...used, and if mechanical contrivances fail (a feather or sable pencil) then the liquid and stone should be placed under the receiver of an airpump and the air exhausted. Details concerning the specific gravity of each kind of precious stone will be found in chapter vi.... | |
| |
But a caution as to the necessity in all specific gravity experiments of getting rid of air-bubbles may not be out of place. To attain this end boiled water should be used, and if mechanical contrivances fail (a feather or sable pencil) then the liquid... 
