. Ventilation for dwellings, rural schools and stables. \ \ / / / f r \ A ^ \ \ \. Fig. 21.—Eiifli flrnwinff roprosents tlio volume of air which .slioiild enterand leave the stahle dnrinfr eaeh )i<»ur for eaeli adult occupant. Theruliuffs indicate the number of cubic feet in eaeh room, each squareIs one foot. standard of air purity here assumed is materially belowthat whieh admits a content of carl)on dioxide in the air ofa room of .07 volume j)er cent. Indeed th< standard as-sumed for .stables permits a content of earbon dioxidt* ashipfh as .IHT volume per cent, a quantity n-oro than do
. Ventilation for dwellings, rural schools and stables. \ \ / / / f r \ A ^ \ \ \. Fig. 21.—Eiifli flrnwinff roprosents tlio volume of air which .slioiild enterand leave the stahle dnrinfr eaeh )i<»ur for eaeli adult occupant. Theruliuffs indicate the number of cubic feet in eaeh room, each squareIs one foot. standard of air purity here assumed is materially belowthat whieh admits a content of carl)on dioxide in the air ofa room of .07 volume j)er cent. Indeed th< standard as-sumed for .stables permits a content of earbon dioxidt* ashipfh as .IHT volume per cent, a quantity n-oro than doublethat above; and it is important to say aprain here, for com-parison, that Doctor Jordan found in his stable, with theventilation system in operation, a carbon dioxide content ashiprh as .402 volnmo per cent, whifh is nearly three timesthat of the standard we have assumed for stables. In his 44 Ventilation. case the degree of air purity was 89. 67 volume per cent in-stead of which we have assumed as a probably safelimit. Should it be found admissible to tolerate in a
Size: 2242px × 1114px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectventilation, bookyear
