Fresh air and how to use it / by Thomas Spees Carrington.

  • Carrington, Thomas Spees.
Date:
1912
Catalogue details

Licence: Public Domain Mark

Credit: Fresh air and how to use it / by Thomas Spees Carrington. Source: Wellcome Collection.

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    large enough to be easily estimated and from one persor is sufficient to raise the temperature of a room twelve feet square about one degree Fahrenheit in an hour. ‘This may seem an unimportant matter, but in practice has serious results, as the temperature of an apartment may be raised four or five degrees in a short time by a few individuals. When the air is raw and too cold out of doors to permit the windows of a dwelling to be opened with comfort, but not so cold as to necessitate the house being heated, a number of persons will often gather in one room in order that the warmth of their bodies may produce a comfortable temperature. The atmosphere of rooms heated in this manner soon becomes foul and unhealthy. Lamps and gas burners also raise the temperature of a room very rapidly, and one of these will remove about the same amount of oxygen from the air and produce as much heat as three or four persons. Heated air and gases from the lungs and bodies, being warmer than the surrounding atmosphere, rise and are held in suspension below the ceiling in a closed room. ‘This layer of foul air is more or less deep and gradually fills the entire room. Such a condition of the atmosphere is very unhealthy and persons remaining in it soon become drowsy, yawn, and complain of headache. How Air Enters Apartments Under present housing conditions the air finds its way into and from dwellings through open windows, doors,