 | 1863 - 728 páginas
...consider that one pound of coal applied to a well constructed steam-engine boiler evaporates 10 Ib. or one gallon of water, and if he will compare this...involving a useless expenditure exceeding in amount our income tax, and capable of being rectified by attention to scientific principles, may not be deemed... | |
 | 1863 - 872 páginas
...in our open fires about five times as much coal as will produce the same heating effect when burned in a close and properly constructed stove. Without...is now so improvidently discharged into the chimney ;' — and surely examining the plan of these Roman villas may suggest to us some hints for carrying... | |
 | 1863 - 884 páginas
...coal as will produce the same heating effect when burned in a close and properly constructed store. Without sacrificing the luxury of a visible fire,...now so improvidently discharged into the chimney;' — and surely examining the plan of these Roman villas may suggest to us some hints for carrying out... | |
 | 1863 - 910 páginas
...once a waste and a nuisance. Our mode of employing coal for domestic purposes is also very wasteful. Without sacrificing the luxury of a visible fire, it would be easy, by attending to UK- principles of radiation and convection, to render impression on the natives, ljy appearing in the... | |
 | William George Baron Armstrong, Isaac Lowthian Bell, John Taylor, Thomas Richardson - 1864 - 480 páginas
...consider that one pound of coal applied to a well-constructed steam-engine boiler, evaporates 10 Ibs. or one gallon of water, and if he will compare this...chimney. These are homely considerations — too much eo, perhaps, for an assembly like this — but I trust that an abuse involving a useless expenditure... | |
 | Somersetshire Archaeological and Natural History Society - 1865 - 730 páginas
...in our open fires about five times as much coal as will produce the same heating effect when burned in a close and properly constructed stove. Without...is now so improvidently discharged into the chimney ;' — and surely examining the plan of these Roman villas may suggest to us some hints for carrying... | |
 | Joseph Hassell - 1893 - 210 páginas
...fire-place into a wull directly beneath the chimney, which carries off the products of combustion. Without sacrificing the luxury of a visible fire,...convection, to render available the greater part of tha heat which is now discharged into the chimney. 3. Much attention has of late years been paid to... | |
 | 1864 - 494 páginas
...applied to a well-constructed steam-engine boiler evaporates 10 lb., or one gallon of water, and if be will compare this effect with the insignificant quantity...available the greater part of the heat which is now BO improvidently discharged into the chimney. These are homely considerations — too much so, perhaps,... | |
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... place by the common method of burning coal for culinary purposes. The simplest arrangements to confine the heat and concentrate it upon the operation to be performed, would suffice to obviate this reprehensible waste. So also in warming houses we... 