Home › Authors › Barnard, William N.; Ellenwood, Frank O.; Hirshfeld, Clarence F. 👤 Barnard, William N.; Ellenwood, Frank O.; Hirshfeld, Clarence F. 1 book Books by Barnard, William N.; Ellenwood, Frank O.; Hirshfeld, Clarence F. Heat-Power Engineering Part 1 Heat-Power Engineering Part 1 1926