. The principles of ventilation and heating and their practical application. are practically in free communi-cation with each other, and a fair amount of success has been do not know of any published observations showing what the actualoperation of the apparatus is, but I have visited the hospital severaltimes, and have twice tested the currents with the anemometer. Thesetestings made the average air supply to be about 2,400 cubic feet perbed per hour—an insufficient amount, if all the beds were full, which,however, was not the case. The principle of placing fresh-air pipes inside o
. The principles of ventilation and heating and their practical application. are practically in free communi-cation with each other, and a fair amount of success has been do not know of any published observations showing what the actualoperation of the apparatus is, but I have visited the hospital severaltimes, and have twice tested the currents with the anemometer. Thesetestings made the average air supply to be about 2,400 cubic feet perbed per hour—an insufficient amount, if all the beds were full, which,however, was not the case. The principle of placing fresh-air pipes inside of the foul-air ducts isone that cannot be approved of for hospital ventilation, for although thefresh-air pipes are of iron, and may have been tightly fitted, it is a merequestion of time when some communication will be established betweenthe inner and outer surfaces of these pipes, either by rusting or byalternate expansions and contractions, and then the foul air may becarried back into the wards. The iron pipes are not readily accessible, VENTILATION AND HEATING. 189. Figure 59.—NEW YORK HOSPITAL BUILDINGS—PLAN OF SECOND, THIRD AND FOURTH STORIES. Main Building. A.———».—Hall.£•.—■.——Nurses ——Dumb —Ventilating —Balcony. West Wing. a.—Bath ——Toilet ;£.—Corridor. East Wing. e.—Bath Room. /.—Sink. ^.—Toilet Room. /t.—Corridor. Administration Building. Library and Museum Floor. ipo VENTILATION AND HEATING. inclosed as they are in the brick walls, and there is no ready means ofdetermining their condition. On one occasion, when I visited the hos-pital, the fumes of burning sulphur, which was being used to disinfecta room at some little distance, entered the room in which I was. Pre-cisely how this was effected could not then be ascertained, but it indi-cated that the system was not working satisfactorily. The principle of having
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