Petroleum coke
Subtitle: an economic survey of its production and uses
By: by E. B. Swanson.
Contributors: Mekler, Lev A., 1894-
Series: [U. S.] Bureau of Mines. Economic paper 9
Publisher: U.S. Govt. Print. Off.
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 29
Subjects: Petroleum.; Coke.
Other titles: Removal of petroleum coke from Dubbs stills.
Notes: At head of title: U. S. Department of Commerce.  R. P. Lamont, secretary.  Bureau of Mines.  Scott Turner, director.
"Removal of petroleum coke from Dubbs stills, by L. A. Mekler": p. 28-29.