Manual of Military Hygiene for the Military Services of the United States
Manual of Military Hygiene for the Military Services of the United States
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In our eReader you can find the full English version of the book. Read Manual of Military Hygiene for the Military Services of the United States Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Manual of Military Hygiene for the Military Services of the United States
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The heat is transmitted chiefly by radiation so that a person facing the fire may be quite cold in the back. Most of it passes up the smoke flue and is lost. This method, therefore, although pleasant and cheerful, is quite wasteful. Much air is drawn into the room by the aspiration of the chimney ; according tc Notter and Firth, the best type of open fireplace causes some 2, 600 HEATING.
547 cubic feet of air to pass up the flue per pound of coal consumed, or about 18, 000 cubic feet per hour, ...but this air is drafty and does not diffuse itself. There are ways, however, of utilizing open fires and grates for better heating and ventilation as, for instance, that shown in Fig. 153, in which fresh air, warmed by the fireplace and smoke flue, enters above and, after diffusing itself in the room, is drawn up through the hearth.
FIG. 153. Method of heating and ventilating by open fire.
Stoves. Stoves heat by radiation and convection. They are the most economical and efficient mode of heating, utilizing from 80 to 90 per cent, of available caloric.
What to read after Manual of Military Hygiene for the Military Services of the United States?
You can find similar books in the "Read Also" column, or choose other free books by Valery Havard to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The heat is transmitted chiefly by radiation so that a person facing the fire may be quite cold in the back. Most of it passes up the smoke flue and is lost. This method, therefore, although pleasant and cheerful, is quite wasteful. Much air is drawn into the room by the aspiration of the chimney ; according tc Notter and Firth, the best type of open fireplace causes some 2, 600 HEATING.
547 cubic feet of air to pass up the flue per pound of coal consumed, or about 18, 000 cubic feet per hour, ...but this air is drafty and does not diffuse itself. There are ways, however, of utilizing open fires and grates for better heating and ventilation as, for instance, that shown in Fig. 153, in which fresh air, warmed by the fireplace and smoke flue, enters above and, after diffusing itself in the room, is drawn up through the hearth.
FIG. 153. Method of heating and ventilating by open fire.
Stoves. Stoves heat by radiation and convection. They are the most economical and efficient mode of heating, utilizing from 80 to 90 per cent, of available caloric.
What to read after Manual of Military Hygiene for the Military Services of the United States?
You can find similar books in the "Read Also" column, or choose other free books by Valery Havard to read onlineMoreLess
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