Airplanes - Propellers - Metal tipping. The blades are tipped first with linen, then with brass or copper. From Jamestown Propeller Co

Chicago citation style
War Department. 1789-9/18/1947. Airplanes - Propellers - Metal tipping. The blades are tipped first with linen, then with brass or copper. From Jamestown Propeller Co. 1917-01-01/1918-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17341003. (Accessed July 17, 2018.)
APA citation style
War Department. 1789-9/18/1947, (1917-01-01/1918-12-31) Airplanes - Propellers - Metal tipping. The blades are tipped first with linen, then with brass or copper. From Jamestown Propeller Co. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/17341003
MLA citation style
War Department. 1789-9/18/1947. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/17341003>.
Note: These citations are programmatically generated and may be incomplete.