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air enters air-chamber amount of heat apparatus architect basement Boston brick flue building burned burner carbonic acid cast-iron ceiling cent chimney chimney-breast chimney-throat coal cold air column combustion Conisborough Castle constructed cool cost cubic meters damper dining-room direct radiation distributor doors draught effect entire escape exhaust exhaust-flue experiments floor foul air fresh air fresh-air chamber fresh-air supply front fuel furnace gas-burners gases gives grate greater hall Hearth Heater heating surface Henry Van Brunt hood hot-air flues iron joints kilograms of wood liters lower mantel material metal minute obtained open fire open fireplace ordinary outer air parlor pass Peclet permeability PLATE porosity pressure produced products of combustion Professor Gibbs radiation sheet-iron shown in Fig side smoke smoke-consuming smoke-flue soapstone square meter stove sufficient temperature terra-cotta tested thickness throat tubes upper valve Ventilating Fireplace walls warm air writer wrought-iron
Page 12 - One thynge I muche notyd in the hawle of Bolton, how chimeneys were conveyed by tunnells made on the syds of the walls betwyxt the lights in the hawle, and by this means, and by no covers, is the smoke of the harthe in the hawle wonder strangely conveyed.
Page 197 - CAPACITY. make a centiliter, make a deciliter, make a liter, make a dekaliter, make a hectoliter. THE SQUARE AND CUBIC MEASURES are nothing more than squares and cubes of the measures of length. (Thus a square and a cubic millimeter are the square and the cube of which one side is a millimeter in length). The are and stere are other names for the square dekameter and the cubic meter. The undersigned, therefore, venture to recommend to the members of the several professions employing weights and measures,...
Page 65 - ... is generally limited to rooms warmed by stoves. VENTILATING FIRE-PLACES. 13. These fire-places, the main idea of which is not new, are, like many other plans proposed by builders, intended to utilize more effectually than the common forms the heat given out by the fuel by introducing a...
Page 60 - ... air into the room in such a direction that its entrance should not be perceptible, the air-opening was furnished with a metal plate bent in such a form as would direct the air-stream towards the ceiling, and also admit of the supply being diminished, or stopped entirely, as might be found desirable. The complete and agreeable change in the character of the air of the room was at once apparent to every one ; and, instead of the room being barely habitable, in cold weather it was found to be the...
Page 42 - I never view from a distance, as I come into town, this black cloud which hangs over London, without wishing to be able to compute the immense number of chaldrons of coals of which it is composed; for could this be ascertained, I am persuaded so striking a fact would awaken the curiosity, and excite the astonishment of all ranks of the inhabitants; and PERHAPS turn their minds to an object of economy to which they have hitherto paid little attention.
Page 37 - ... into the chimney. The descending current may be made evident by holding a flame over the vase, and it will be drawn downwards. Justel, who described this arrangement to the Royal Society in 1681, says, that "the most foeted things, matters which stink abominably when taken out of the fire, in this engine make no ill scent, neither do red herrings broiled thereon. On the other hand, all perfumes are lost, and incense makes no smell at all when burned therein.
Page 4 - Calorie," which is the amount of heat required to raise 1 kilogram of water 1° C. (or 1 pound of water 4° F.), being the one generally adopted.
Page 184 - ... scheme, each doing its best, no doubt, to obtain the mastery over that simple thing — smoke ; and each with a degree of success of a very hopeless amount. There appears to me something intensely ludicrous in these struggles against what seems to be an absurd, but an invincible foe ; the very . element of whose success against us lies in our not strangling him in his birth. Many obstacles are in the way, no doubt ; there are obstacles in the way of every good ; but I have little doubt, that...
Page 17 - Greenlander, indeed, builds a larger hut, and contrives it better, but it is often occupied by half a dozen families, each having a lamp for warmth and for cooking, and the effect of this arrangement, says Egede, " is to create such a smell, that it strikes one not accustomed to it to the very heart.
Page 111 - ... becomes of a bright red colour. In other words, the blood changes in the lungs its venous appearance, and assumes the character of arterial blood. The blood thus arterialized, returns to the left side of the heart, from whence it is propelled through the whole arteries of the body. In the minute terminations of the arteries, the blood again loses its florid hue, and, reassuming its dark red colour, is returned through the veins to the right side of the heart, to be exposed, as before, to the...