Ventilation, Heating and Management of Churches and Public BuildingsLongmans, 1903 - 140 страници |
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Страница 26
... head of the venti- lator should be removed , and the air current directed over D FIG . 4 . FIG . 5 . the end of the open tube . On comparing the aspirating effects of the air current upon the open tube with those produced by the air ...
... head of the venti- lator should be removed , and the air current directed over D FIG . 4 . FIG . 5 . the end of the open tube . On comparing the aspirating effects of the air current upon the open tube with those produced by the air ...
Страница 27
... head itself by increasing the height and exposing more aspirating surface , so the suction power of such a ventilator must be proportional to the diameter of the inside tube and the friction encountered in the head . The fact that the ...
... head itself by increasing the height and exposing more aspirating surface , so the suction power of such a ventilator must be proportional to the diameter of the inside tube and the friction encountered in the head . The fact that the ...
Страница 37
... head and the eyes of the boys and girls who have to sit for many hours right under the deluge of cold air flowing over them . It is most unfortunate that such a state of things is allowed to exist . Furthermore , it is found that the ...
... head and the eyes of the boys and girls who have to sit for many hours right under the deluge of cold air flowing over them . It is most unfortunate that such a state of things is allowed to exist . Furthermore , it is found that the ...
Страница 47
... head per hour at nearly 97 ° F. , eighty - three and one - third pounds of water are therefore evolved from the skin and in the breath by 1,000 persons , and this water will saturate 100,000 cubic feet of air at 72 ° F. , calculating ...
... head per hour at nearly 97 ° F. , eighty - three and one - third pounds of water are therefore evolved from the skin and in the breath by 1,000 persons , and this water will saturate 100,000 cubic feet of air at 72 ° F. , calculating ...
Страница 50
... head per hour was the proper quantity to keep the atmosphere breath- able , or whether Carnelly , Haldane , and Anderson were nearer the mark with 1,000 cubic feet per head , because there will be little fear that he will be able to 50 ...
... head per hour was the proper quantity to keep the atmosphere breath- able , or whether Carnelly , Haldane , and Anderson were nearer the mark with 1,000 cubic feet per head , because there will be little fear that he will be able to 50 ...
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air inside anemometer aspirating atmosphere audience B.Sc BOTANY breath carbonic acid caretaker cause ceiling CHEMISTRY churches and public classrooms closed cold air cold weather College CONIC SECTIONS crevices Crown 8vo cubic feet D.Sc Diagrams doors draughts ELECTRICITY ELEMENTARY Engineer fixed floor level foul air fresh air fresh air inlets friction furnace gratings hall heated Hospital hot water pipes Illus Illustrations inlet air inlets and outlets inside the building intermittent air currents JOHN GOODMAN JOHN TYNDALL Lecturer LL.D Lond London mechanical aid moisture movement numerous outer walls outlet space Ph.D PHYSICS PHYSIOLOGY Plates possible PRACTICAL Professor public buildings Royal 8vo School Science seats Section Sir PHILIP MAGNUS STRENGTH OF MATERIALS summer ventilation SVANTE ARRHENIUS Tacheometry temperature tion Tobin shafts trations TREATISE TRIGONOMETRY upward valves velocity ventilating power ventilating pressure volume of air warm air whilst wind blows wind effects window openings winter Woodcuts
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