Books by William N. Barnard:
Books in the extended shelves:
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Barnard, William N. (William Nichols), 1875-1947: Elements of heat-power engineering. v. 1- (Ithaca, N. Y., 1910), also by C. F. Hirshfeld and Albert W. Smith (page images at HathiTrust)- Barnard, William N. (William Nichols), 1875-1947: Heat-power engineering (Wiley, 1926), also by Calvin R. Carver, C. F. Hirshfeld, and Frank O. Ellenwood (page images at HathiTrust)
Find more by William N. Barnard at your library, or elsewhere.