A Rudimentary Treatise on Warming and Ventilation: Being a Concise Exposition of the General Principles of the Art of Warming and Ventilating Domestic and Public Buildings, Mines, Lighthouses, Ships, &c. With an Appendix, Bringing the Subject Down to the Present Time

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J. Weale, 1858 - 287 pages
 

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Page 112 - ... will soon be full of the hot air, or smoke from the fire circulating in it, and rendering it every where of as uniform temperature as if it were full of hot water.
Page 12 - ... nitric acid, thus working in every case in a manner the inverse of that which is peculiar to animals ? If the animal kingdom constitutes an immense apparatus for combustion, the vegetable kingdom, in its turn, constitutes an immense apparatus for reduction, in which reduced carbonic acid yields its carbon, reduced water its hydrogen, and in which also reduced oxide of ammonium and nitric acid yield their ammonium or their azote. If animals then continually produce carbonic acid, water, azote,...
Page 178 - ... flap hanging against the inside, to prevent the issue of smoke in gusty weather. The decided effect produced at once on the feelings of the inmates was so remarkable, that there was an extensive demand for the new appliance ; and, as a consequence of its adoption, Mr. Toynbee had soon to report, in evidence given before the Health of Towns...
Page 132 - I? circulated through a long series of pipes, is being constantly returned to the lowest part of the boiler, where it receives a fresh amount of heat, and being thus rendered lighter, rises up the pipe, b, and descends the inclined planes of the pipes, losing a portion of its heat on the way, and at the same time increasing in density ; the velocity of the current depending on the difference between the temperature of the water in the boiler, and that in the descending pipe. At the highest point...
Page 93 - ... in this room were fruitless. I could not imagine the reason; till at length, observing that the chamber over it, which had no fire-place in it, was always filled with smoke when a fire was kindled below, and that the smoke came through the cracks and crevices of the...
Page 180 - ... wind. They consist of strong frame-work, to which several planks of wood are nailed, according to the breadth and length proposed ; and, if required of cheaper materials, reeds or mats, covered with stucco, are used instead of planks. This contrivance acts on a similar principle to the...
Page 8 - Thus sulphur and oxygen combine chemically to produce sulphurous or sulphuric acid, substances whose properties are quite different from those of the sulphur and oxygen which produce them ; the sulphurous has also very different properties from the sulphuric. So with nitric acid, this compound has none of the properties of the constituents of the atmosphere, but a new set of properties peculiar to itself. This powerful acid may be formed artificially in various ways, but only one need here be mentioned....
Page 259 - Fires improv'd: being a new method of building chimneys, so as to prevent their smoaking: in which a small fire, shall warm a room better than a much larger made the common way.
Page 46 - ... shut, and no air was allowed to enter; the thermometer rose to 55°, but the point of condensation remained the same. A party of eight persons afterwards occupied the room for several hours, and the fire was kept up; the temperature rose to 58°, and the point of condensation rose to 52°.
Page 236 - ... too far, it would produce stagnant points, which could not be prevented by any arrangement consistently with the ever-moving condition of the works. The abolition of the use of gunpowder and lighted candles would, in some cases, double the price of coals. But the great source of danger was the mental condition of the miners. With regard to the present race, this was so hopeless that nothing could be done for them. Although smoking was strictly forbidden, they had been known to contrive to light...

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