Arches and burners for oil-fired maple sap evaporators
By: by Lloyd Sipple, C.O. Willits, and F.E. Winch, Jr
Contributors: Willits, C. O. (Charles Oliver), 1901-; Winch, F. E.; United States. Agricultural Research Service
Series: ARS -- 73-40; ARS (Series) (United States. Agricultural Research Service) -- 73-40.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1963
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 14
Subjects: Maple syrup industry
Notes: Caption title.

"January 1963."