[Footnote 1: Presented at the meeting of April 20th, 1910.]
[Footnote 2: “Coal Mine Accidents,” by Clarence Hall and Walter O.
Snelling. Bulletin No. 333, U.S. Geological Survey, Washington, D.C.]
[Footnote 3: “The Explosibility of Coal Dust,” by George S. Rice and
others. Bulletin No. * * *, U.S. Geological Survey.]
[Footnote 4: “Notes on Explosives, Mine Gases and Dusts,” by Rollin
Thomas Chamberlin. Bulletin No. 383, U.S. Geological Survey, 1909.]
[Footnote 5: “Prevention of Mine Explosions,” by Victor Watteyne, Carl
Meissner, and Arthur Desborough. Bulletin No. 369, U.S. Geological
Survey.]
[Footnote 6: With a view to obtaining a dust of uniform purity and
inflammability.]
[Footnote 7: “The Primer of Explosives,” by C. E. Munroe and Clarence
Hall. Bulletin No. 423, U.S. Geological Survey, 1909.]
[Footnote 8: “Tests of Permissible Explosives,” by Clarence Hall,
W. O. Snelling, S. P. Howell, and J. J. Rutledge. Bulletin No. * * *,
U.S. Geological Survey.]
[Footnote 9: “Structural Materials Testing Laboratories,” by Richard
L. Humphrey, Bulletin No. 329. U.S. Geological Survey, 1908;
“Portland Cement Mortars and their Constituent Materials,” by Richard
L. Humphrey and William Jordan, Jr., Bulletin No. 331, U.S. Geological
Survey, 1908; “Strength of Concrete Beams,” by Richard L. Humphrey,
Bulletin No. 344, U.S. Geological Survey, 1908.]
[Footnote 10: “Fire Resistive Properties of Various Building
Materials,” by Richard L. Humphrey, Bulletin No. 370, U.S. Geological
Survey, 1909.]
[Footnote 11: “Purchasing Coal Under Government Specifications,” by
J. S. Burrows, Bulletin No. 378, U.S. Geological Survey, 1909.]
[Footnote 12: “Experimental Work in the Chemical Laboratory,” by N. W.
Lord, Bulletin No. 323, U.S. Geological Survey, 1907: “Operations of
the Coal Testing Plant, St. Louis, Mo.” Professional Paper No. 48,
U.S. Geological Survey, 1906.]
[Footnote 13: Also Bulletins Nos. 290, 332, 334, 363, 366, 367, 373,
402, 403, and 412, U.S. Geological Survey.]
[Footnote 14: “Tests of Coal for House Heating Boilers,” by D. T.
Randall, Bulletin No. 336, U.S. Geological Survey, 1908.]
[Footnote 15: “The Smokeless Combustion of Coal,” by D. T. Randall and
H. W. Weeks, Bulletin No. 373, U.S. Geological Survey, 1909.]
[Footnote 16: “The Flow of Heat through Furnace Walls,” by W. T. Ray
and H. Kreisinger. Bulletin (in press), U.S. Geological Survey.]
[Footnote 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.]
[Footnote 18: “Heat Transmission into Steam Boilers,” by W. T. Ray and
H. Kreisinger, Bulletin (in press), U.S. Geological Survey.]
[Footnote 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.]
[Footnote 20: A Taylor up-draft pressure producer, made by R. D. Wood
and Company, Philadelphia, Pa.]
[Footnote 21: “Coal Testing Plant, St. Louis, Mo.,” by R. H. Fernald,
Professional Paper No. 48, Vol. III, U.S. Geological Survey, 1906.]
[Footnote 22: A report of these tests may be found in Bulletin No.
* * *, U.S. Geological Survey.]
[Footnote 23: “Illuminating Gas Coals,” by A. H. White and Perry
Barker, U.S. Geological Survey.]
[Footnote 24: “Gasoline and Alcohol Tests,” by R. M. Strong, Bulletin
No. 392, U.S. Geological Survey, 1909.]
[Footnote 25: “Washing and Coking Tests,” by Richard Moldenke, A. W.
Belden and G. R. Delamater, Bulletin No. 336, U.S. Geological Survey,
1908; also, “Washing and Coking Tests at Denver, Colo.,” by A. W.
Belden and G. R. Delamater, Bulletin No. 368, U.S. Geological Survey,
1909.]
[Footnote 26: U.S. Geological Survey, Professional Paper No. 48, Pt.
III, and Bulletins Nos. 290, 332, 336, 368, 385, and 403.]
[Footnote 27: Professional Paper No. 48, and Bulletins Nos. 290, 316,
332, 343, 363, 366, 385, 402, 403, and 412, U.S. Geological Survey.]
[Footnote 28: “Peat Deposits of Maine,” by E. D. Bastin and C. A.
Davis. Bulletin No. 376, U.S. Geological Survey, 1909.]
[Footnote 29: U.S. Geological Survey, Pittsburg, Pa.]
[Footnote 30: Chief Explosives Chemist, U.S. Geological Survey.]
[Footnote 31: Lieutenant-Colonel, Ordnance Dept., U. S. A.]
* * * * *
* * * *
* * * * *
[Errata:
[Fig. 3. caption]
SAFETY LAMP TESTING GALLERY
_text reads “SAFTY”_
[Mine-Rescue Training]
experienced in rescue operations and familiar / with the conditions
existing after mine disasters
_text reads “familar”_
so as to determine, if possible, the progress of combustion (Fig. 1,
Plate XVIII).
_text reads “Pate XVIII”_
The chemical analyses of the coals
_text reads “anaylses”_ ]