One of the most difficult tasks, where many persons are gathered together under one roof, during the winter season and inclement weather, is the proper enforcement of healthful ventilation and the regulation of temperature in work rooms without meeting many protests.
Tersely stated, the idiosyncrasies of James Brown do not coincide with the idiosyncrasies of John Smith, so that what blows hot for John blows cold for James, and as a result one desires the window tightly closed, no matter the degree of temperature, and the other demands the window open.
Of course, in many of the larger buildings over the country, systems of internal ventilation are in use, some effective and some ineffective, but all very expensive and complicated. It is the smaller buildings, however, that interest me.
To aid the ventilation of those buildings which are not thus provided for, such as small workshops, factories, stores, etc., and to aid
MANNING WJ. PEACTICAL WINDOW VENTILATION. JAMA. 1909;LIII(16):1290–1291. doi:10.1001/jama.1909.92550160042002d
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