Greenhouse heating
By: by Arthur H. Senner
Series: Circular / United States Department of Agriculture -- no. 254; Circular (United States. Dept. of Agriculture) -- no. 254.
Publisher: U.S. Dept. of Agriculture
Published: 1932
Place of publication: Washington, D.C
Language: eng
Number of pages: 40
Subjects: Heating and ventilation; Greenhouses
Notes: Caption title.