Books by Edwin Burnley Ricketts:
Books in the extended shelves:
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Ricketts, Edwin Burnley, 1883-: Clinker formation as related to the fusibility of coal ash (U.S. G.P.O., 1932), also by Percy Nicholls, W. A. Selvig, Carnegie Institute of Technology, and United States Bureau of Mines (page images at HathiTrust)
Find more by Edwin Burnley Ricketts at your library, or elsewhere.