Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 / Federal Investigations of Mine Accidents, Structural Materials and Fuels. Paper No. 1171

by Herbert M. Wilson

[14.] “Tests of Coal for House Heating Boilers,” by D. T. Randall, Bulletin No. 336, U. S. Geological Survey, 1908.

[15.] “The Smokeless Combustion of Coal,” by D. T. Randall and H. W. Weeks, Bulletin No. 373, U. S. Geological Survey, 1909.

[16.] “The Flow of Heat through Furnace Walls,” by W. T. Ray and H. Kreisinger. Bulletin (in press), U. S. Geological Survey.

[17.] The assumption is made that a metal tube free from scale will remain almost as cool as the water; actual measurements with thermo-couples have indicated the correctness of this assumption in the majority of cases.

[18.] “Heat Transmission into Steam Boilers,” by W. T. Ray and H. Kreisinger, Bulletin (in press), U. S. Geological Survey.

[19.] “The Producer Gas Power Plant,” by R. H. Fernald, Bulletin No. 416, U. S. Geological Survey, 1909; also Professional Paper No. 48 and Bulletins Nos. 290, 316, 332, and 416.

[20.] A Taylor up-draft pressure producer, made by R. D. Wood and Company, Philadelphia, Pa.

[21.] “Coal Testing Plant, St. Louis, Mo.,” by R. H. Fernald, Professional Paper No. 48, Vol. III, U. S. Geological Survey, 1906.

[22.] A report of these tests may be found in Bulletin No. * * *, U. S. Geological Survey.

[23.] “Illuminating Gas Coals,” by A. H. White and Perry Barker, U. S. Geological Survey.