File:Catalog 13- Carrier air washers and humidifiers- applied to public office and industrial buildings, with notes on humidity (1913) (14592306540).jpg

Identifier: Catalog13CarrierAirWashersAndHumidifiersAppliedToPublicOfficeAnd (find matches)
Title: Catalog 13: Carrier air washers and humidifiers: applied to public office and industrial buildings, with notes on humidity
Year: 1913 (1910s)
Authors: Carrier Air Conditioning Company of America
Subjects: air purification -- catalogs humidity control equipment and supplies -- catalogs Division 23 HVAC air-cleaning devices particulate air-filtration humidity control equipment humidifiers
Publisher: Carrier Air Conditioning Company of America
Contributing Library: MBJ collection

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ly speaking, dry air is an excitant often causing sleeplessnessand irritability, accompanied with a drier skin and quickened pulse. Moistair is more of a depressant, producing quiet sleep and slower circulationof the blood. After living in rooms with a lower temperature and proper relativehumidity no one will be satisfied with the other conditions/ Prof. C. E. A. Winslow, associate professor of biology,College of the City of New York, and Curator of PublicHealth, American Museum of Natural History, in his paperThe Scientific Basis for Ventilation Standards, states: The really important factors which make for health or disease in theatmosphere are physical rather than chemical or bacteriological. Ourideal must be the conditioning of the air so that the human machinemay operate at the highest level of health and efficiency. The chief factors in air conditioning for the living machine, whichin most cases far outweigh all others put together, are the temperatureand humidity of the air. 75
Text Appearing After Image:
t < CL, a I Q5 «W H Ow en oU o H Carrier Air Conditioning Company of America Again Prof. Winslow, before the Congress of Technologyunder the subject of Factory Sanitation and Efficiency/ says: The main point in air conditions is, then, the maintenance of a lowtemperature and of a humidity not too excessive. At the same time, atoo low humidity should also be avoided. We have little exact informationupon this point, but it is a matter of common knowledge with manypersons that very dry air, especially at 70 deg. R, or over, is excessivelystimulating and produces nervousness and discomfort. It would probablybe desirable to keep the relative humidity between 60 and 70 per cent. Prof. Theodore Hough, of the University of Virginia, inthe American Journal of Hygiene, states : This objection to low humidity is due to the too rapid evaporationof water from the skin and arr passages. The skin thereby becomes dryand tends to chap, cutaneous nerves are irritated in an unpleasant man

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