Haines, John E. Formerly, Minneapolis-Honeywell Regulator Company, Minneapolis, Minnesota.
Koral, Richard L. Apartment House Institute, Pratt School of Architecture, New York City Community College, New York, New York.
- Additional Readings
A controller that measures and controls relative humidity. A humidistat may be used to control either humidifying or dehumidifying equipment by the regulation of electric or pneumatic switches, valves, or dampers. Most methods for measuring humidity rely upon the swelling and shrinking of materials, such as human hair, silk, horn, gold-beater's skin, and wood, with increases and decreases in relative humidity.
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