Coals available for the manufacture of illuminating gas / by A.H. White and Perry Barker ; Compiled and rev. by Herbert M. Wilson

Author: White, Alfred H. (Alfred Holmes), 1873-1953
Published: Washington : Govt. print. office, 1911.
Physical Description: 77 pages : illustrations, 4 plates, diagrams, (partly folded) ; 25 cm.
Additional Creators: Barker, Perry and Wilson, Herbert M. (Herbert Michael), 1860-1920