Five Hundred Tests of Various Coals in House-Heating Boilers

Author:	Nicholls, P.
Additional Authors:	Flagg, S. B.
Year:	1928
Document Type:	N/A
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 276
Link:	https://digital.library.unt.edu/ark:/67531/metadc12455/