The Ventilation and Warming of School BuildingsD. Appleton, 1887 - 181 halaman |
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admitted air passing amount of air anemometer Arnott aspirating chimney average blade body bottom breathing impure air building bulb cent CHAPTER CO₂ cold air construction cubic feet cubic foot dew point direct radiation distributed draft ducts Education Fahr feet of air fire fireplace floor flue force of vapor formula foul air fresh air friction FRIEDRICH FROEBEL furnace furnish heater height hot air hour humidity inches inches of mercury inlets and outlets latent heat means method natural ventilation necessary Neil Arnott oxalic acid partial vacuum pipes plenum movement poisonous pounds of coal pressure pupils pure air quantity radiant heat respiration rise school-house school-room sensible heat side smoke Spanish Language square feet steam-pipes stove sufficient supply surface teachers thermal units tilating tion tube utilized valve vanes velocity vitiated walls warm air warming and ventilating weather wind
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