 | Thomas Dick - 1799 - 200 pages
...a thin bottle with flat sides is firmly corked, so as to prevent the included air from escaping, is placed under the receiver of an air-pump, and the air exhausted, the spring of the air within it will dilate with so much violence, as to break the bottle to pieces. In... | |
 | Royal Scottish Society of Arts - 1878 - 616 pages
...prepared were placed in some rain water in a glass vessel. The vessel with the pieces of brass was then placed under the receiver of an air-pump, and the air exhausted. After the pressure has been reduced to a certain extent, small bubbles of gas are seen rising up through... | |
 | Thomas Dick - 1854 - 360 pages
...a thin bottle with flat sides is firmly corked, so as to prevent the included air from escaping, is placed under the receiver of an air-pump, and the air exhausted, the spring of the air within it will dilate with so much violence as to break the bottle to pieces. In... | |
 | Charles Hood - 1855 - 736 pages
...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 - 1865 - 518 pages
...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...was buoyed up by a force greater than that exerted rig- 104. upon the leaden sphere. If, now, the leaden sphere be increased by a weight equal to that... | |
 | Adolphe Ganot, William Guy Peck - 1871 - 510 pages
...each other in the atmosphere, If the instrument bo placed under the receiver of an air-pump and tho air exhausted, the copper sphere will descend. This...increased by a weight equal to that of a volume of air equal to the bulk of the copper sphere diminished by that of the leaden sphere, it will be found, after... | |
 | Adolphe Ganot, William Guy Peck - 1871 - 516 pages
...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...was buoyed up by a force greater than that exerted Fig. 104. upon the leaden sphere. If, now, the leaden sphere be increased by a weight equal to that... | |
 | Smithsonian Institution. Board of Regents - 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 - 1878 - 480 pages
...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... | |
 | Thomas William Foster (mathematician.) - 1881 - 66 pages
...the air exhausted, they are hung up by one handle and a weight attached to the other. The whole is then placed under the receiver of an air-pump and the air exhausted ; state what happens and why ) The hemispheres will separate because there is nothing to counteract... | |
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The BAROSCOPE consists of a beam like that of a balance, from one extremity of which is suspended a hollow sphere of copper, and from the other extremity a solid sphere of lead. These are made to balance each other in the atmosphere. If the instrument... 
