Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Close view of castor bean field. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker

Chicago citation style
War Department. 1789-9/18/1947. Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Close view of castor bean field. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17340629. (Accessed October 22, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Airplanes - Materials - Castor Bean Culture, Dade City, Florida. Close view of castor bean field. The oil which is made from the beans is used as a lubricant for airplane engines since high altitude does not freeze it. The industry is practically new in this country as a result of war needs. Several tons of castor seeds were supplied by the British government in order to get the industry properly started here. From Geo. H. Walker. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17340629
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17340629>.
Note: These citations are programmatically generated and may be incomplete.