Observations on the ventilation of rooms; on the construction of chimneys; and on garden stoves / Principally collected [by R. Willan] from papers left by the late John Whitehurst.

  • John Whitehurst
Date:
1794
Catalogue details

Licence: Public Domain Mark

Credit: Observations on the ventilation of rooms; on the construction of chimneys; and on garden stoves / Principally collected [by R. Willan] from papers left by the late John Whitehurst. Source: Wellcome Collection.

    17/60 (page 15)
    [ *5 ] • to apply lefler interior dudts to one or both of the rooms adjoining. It there fhould be two doors in the veftibule to which air-du<5ts are thus applied, when the wind blows brifkly from G to D (or contrariwife) the doors being open, it will occafion both the chimneys to fmoke. Wherefore it is requifite to have but one external door, or to keep both conftantly fhut in tempeftuous wea- ther. But of this I fhall fay more hereafter. Let fig. 15, reprefent the plan of an edifice contain- ing three rooms on one floor. Now, if the external doors and the windows were perfectly clofe, a fire in any one of the chimneys, as A, would occafion the others at C and B to fmoke, provided the interior doors were all open,.and likewife thofe in any of the cham- bers above. If a fire were at the fame time placed at B, only the doors DE being open, both the fires would bor- O k. ' row their air from C; or both from B, fuppofing the fecond fire fet at C. If fires were made in all the lower rooms, the in- termediate doors, and the chamber doors being open, the chimneys on the ground-floor would all of them act well ; but if the door D were fhut, A and B would fmoke, and C only a<51 well. If the door E were fhut, the chimney in that would alfo fmoke. * I