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On the smokeless fire-place : chimney-valves, and other means, old and new, of obtaining healthful warmth and ventilation (1855)

Arnott, Neil, 1788-1874 · London : Longman, Brown, Green, and Longmans · leaf 185

An illustration from On the smokeless fire-place : chimney-valves, and other means, old and new, of obtaining healthful warmth and ventilation, 1855, leaf 185 — mpression ofthe air in the gasometer, and tends to force it out byany channel as E F. Such a vessel may, during theday, be gradually filled with gas, which during thenight it may drive out to supply the lamps of a town.The next figure represents in section the ventilating 170 VENTILATION ON A LARGE… … It hangs by a rope from the end of the beam B C,vibrating on an axis at D, at the other end of whichbeam hangs the counterpoise, E. The cylinder moves up and down in a case, e,f,g, h, BY PUMPS, FAN-WHEELS, SHAFTS, ETC. 171 more than twice as deep as itself, within which, inits middle part, is…

Heating · Ventilation · Fireplaces

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