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admitted air passing amount of air anemometer Arnott aspirating chimney average blade body bottom breathing impure air building cent Chapter cold air construction cubic feet cubic foot dew point direct radiation distributed draft ducts enters the room equal Fahr feet of air feet per second fire fireplace floor flue force of vapor formula foul air fresh air friction furnace furnish heater height hot air hour humidity hygrometer inches of mercury latent heat means method natural ventilation necessary Neil Arnott number of cubic oxalic acid partial vacuum pipes plenum movement poisonous pounds of coal proper pupils pure air quantity radiant heat respiration rise Roeschlaub school-house school-room sensible heat side smoke square feet steam heating steam-pipes stove sufficient supply surface thermal units tilating tion tube utilized valve vanes vitiated walls warm air warming and ventilating weather wind
Page ii - THE RISE AND EARLY CONSTITUTION OF UNIVERSITIES. WITH A SURVEY OF MEDIAEVAL EDUCATION. By SS LAURIE, LL. D., Professor of the Institutes and History of Education, University of Edinburgh.
Page 113 - The whole of the air so contaminated, and which may be in volume twenty, fifty, or even a hundred times greater than that of the true smoke, or burned air, is then all called smoke, and must all be allowed to ascend away from the room, that none of the true smoke may remain. It is evident, then, that if a cover or hood of metal be placed over a fire, as represented by the letters...
Page 92 - British thermal unit (BTU) is the amount of heat required to raise one pound of water one degree Fahrenheit.
Page i - IT is proposed to publish, under the above title, a library for teachers and school managers, and text-books for normal classes. The aim will be to provide works of a useful practical character in the broadest sense. The following conspectus will show the ground to be covered by the series : I.— History Of Education. (A.) Original systems as expounded by their founders. (B.) Critical histories which set forth the customs of the past and point out their advantages and defects, explaining the grounds...