. Ventilation for dwellings, rural schools and stables. Fig. 28.—Inverted Jar beingfilled with respired air. Density of Respired Air. 6^ That respired air, when surrounded by pure air, eitherrises very slowly or tends actually to fall may be clearlydemonstrated. Let the Mason jar earlier used be inyerted^Fig. 28, while air from the lungs is made to displace thatwhich it contains. With the candle already lisrhted Ir-t thejar be at once lowered overit, Fig. 29. The flame is ex-tinguished as it was in anearlier experiment when thecandle was lowered into thejar filled with respired if the
. Ventilation for dwellings, rural schools and stables. Fig. 28.—Inverted Jar beingfilled with respired air. Density of Respired Air. 6^ That respired air, when surrounded by pure air, eitherrises very slowly or tends actually to fall may be clearlydemonstrated. Let the Mason jar earlier used be inyerted^Fig. 28, while air from the lungs is made to displace thatwhich it contains. With the candle already lisrhted Ir-t thejar be at once lowered overit, Fig. 29. The flame is ex-tinguished as it was in anearlier experiment when thecandle was lowered into thejar filled with respired if the trials are now re-peated with the jar both in-verted and placed withmouth up it will be
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectventilation, bookyear
