Propane, butane, and related fuels
By: by E.R. Weaver. Issued July 18, 1938
Series: United States. Bureau of Standards. Circular of the Bureau of Standards -- C420; Circular of the National Bureau of Standards -- C420
Publisher: U.S. Govt. Print. Off.
Published: 1938
Place of publication: Washington
Language: eng
Number of pages: 21
Subjects: Propane; Butane; Gases, Compressed
Notes: At head of title: U.S. Department of Commerce. Daniel C. Roper, secretary. National Bureau of Standards. Lyman J. Briggs, director ..

This Circular takes the place of Letter circular 503 issued September 1, 1937 as a revision of Letter cirular 292 issued in 1930. cf. Pref

"Trade names for liquefied petroleum gases": p. 17-21