tween these two points, then we think he has has hitherto been accomplished by quantity of chanical and spontaneous ventilation. The accomplished what he professes to have done, heat; and in order to cause this extra quanti- latter mode is the one we now intend to make and the importance of this… … sane, thesecharacteristics are in all respects ventilation of dwellings is beyond dispute. different ; the button is dark in color, neither transparent nor translucent, and distorted, bent, the foul air is drawn under the floor, to the ventilation, and he says the building may be and irregular in…
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