Proportional-time infrared-lamp controller for brooders
By: John G. Taylor, Sr. Agricultural Engineer, Agricultural Engineering Research Branch
Contributors: United States. Agricultural Research Service; United States. Agricultural Research Service. Agricultural Engineering Research Branch
Series: ARS 42-1; ARS 42 -- 1.
Publisher: U.S. Department of Agriculture, Agricultural Research Service
Published: 1955
Place of publication: [Washington, D.C.?]
Language: eng
Subjects: Incubators; Heating and ventilation; Control; Infrared lamps
Notes: Caption title.

"May 1955."