 | Luke Hebert - 1832 - عدد الصفحات: 372
...issues from the latter, it is to be closed, as well as the steam cock c; now open the cock g, when the pressure of the atmosphere on the surface of the liquid in h, will force it up the pipe f into the vessel d, in which a vacuum was effected by the condensation... | |
 | Thomas Ewbank - 1842 - عدد الصفحات: 608
...pipes are secured. These tubes are bent round the outside of the cylinder and meet in the chamber C where their orifices are covered by clacks. Thus when...surface of the liquid in which the lower orifice of the suction pipe is placed. The edges of the pistons are made to work close to the ends and rim of the... | |
 | Thomas Ewbank - 1842 - عدد الصفحات: 638
...pipes are secured. These tubes are bent round the outside of the cylinder and meet in the chamber C where their orifices are covered by clacks. Thus when...surface of the liquid in which the lower orifice of the suction pipe is placed. The edges of the pistons are made to work close to the ends and rim of the... | |
 | Reynell Coates - 1846 - عدد الصفحات: 692
...air in the closed syphon is drawn out, and what remains having insufficient elastic force to resist the pressure of the atmosphere on the surface of the liquid in the vessel, this is driven upward into the tube until it reaches the bend, B, flows over, and fills... | |
 | John Craig (F.G.S.) - 1849 - عدد الصفحات: 1148
...by means of air. Pneumatic JUlerer, an instrument for filtering water and other liquids, operating by the pressure of the atmosphere on the surface of the liquid to be filtered, a vacuum being previously formed beneath the bottom of the containing vessel, which... | |
 | Thomas Ewbank - 1851 - عدد الصفحات: 646
...pipes are secured. These tubes are bent round the outside of the cylinder and meet in the chamber С where their orifices are covered by clacks. Thus when...surface of the liquid in which the lower orifice of the suction pipe is placed. The edges of the pistons are made to work close to the cuds and rim of the... | |
 | Dionysius Lardner - 1859 - عدد الصفحات: 280
...raised with its mouth still submerged, so that it still remains filled, the liquid being supported in it by the pressure of the atmosphere on the surface of the liquid in the cistern.* If the gas be then introduced under the mouth of this vessel, it will rise in bubbles... | |
 | William Thomas Brande - 1863 - عدد الصفحات: 736
...air it will again rise. It is therefore obvious that this column of mercury is supported in the tube by the pressure of the atmosphere on the surface of the liquid metal in the bath. From this experiment it will be easy to calculate the exact amount of pressure on... | |
 | P. Austin Nuttall - 1869 - عدد الصفحات: 356
...atmosphere. — Pneumatic ftlterer, an instrument for filtering water and other liquids, operating by the pressure of the atmosphere on the surface of the liquid to he filtered, a vacuum heing previously formed heneath the hottom of the containing vessel, which... | |
 | 1874 - عدد الصفحات: 1186
...forcing-pipes are secured. These tubes are bent round the outside cf the cylindc-r and meet in the chamber C, where their orifices are covered by clacks. Thus when...surface of the liquid in which the lower orifice of the snction-pipe is placed. The edges of the pistons are made to work close to the ends and rim of the... | |
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C where their orifices are covered by clacks. Thus when the piston is turned in either direction, it drives the water before it through one or other of these tubes; at the same time the void left behind it is kept filled by the pressure of the atmosphere... 
