File:Catalog 13- Carrier air washers and humidifiers- applied to public office and industrial buildings, with notes on humidity (1913) (14756029326).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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r the performance of its physical functionit must have the proper temperature, humidity and motion to enableit to carry away the surplus body heat. W. A. Evans, M.D., former health commissioner ofChicago, III, before the American Medical Association, maybe quoted: What is the remedy proposed? 1. Reduce the temperature of the rooms to a maximum of 68 deg.This temperature is more bracing. In such a temperature the exhaledair, being hot and moist, will rise right out of the breathing zone andbe supplied by purer air. 2. Raise the relative humidity to 60 per cent or 70 per cent. Nopossible objection can be raised to this except that it costs money toevaporate water and the windows will frost when the outside tem-perature gets to 20 deg. F. and below. If the relative humidity is raised to 60 per cent the pupils will becomfortable with a temperature of 68 deg. F. Some of the frosting of the windows can be prevented by puttinga radiator under each window. 79 Details of Carrier Type A Washers
Text Appearing After Image:
One of Three Carrier Type A Washers With Automatic ControlInstalled in the Western Pennsylvania Hospital, Pittsburg, Pa. 80 Carrier Air Conditioning Company of America But what harm does frosting do, anyway? Its harm is negligibleas compared with the harm of over-dry air. It keeps out but little light,and under certain conditions of sunlight will give a mellower, softerlight than the unobstructed pane. Humidity: A Dust Preventive : Maintaining a mod-erate humidity prevents the drying out of the dust, thusrendering it less subject to draughts and other disturbanceswhich would tend to scatter it over surrounding objects, andhaving less dust find its way to the radiator or other hotsurfaces to be distilled. Window Condensation: Objection is often raised tocondensation on windows where humidifying is done, Win-dows are usually provided for the purpose of admitting light,and to allow a view of the surroundings from the inside.Frosting on the windows obstructs very little light, while itdoe

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