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Alethopteris analyses Anthracite Coal anticline Arkansas coal Arkansas River available hydrogen basin calculated carbon-hydrogen ratio cent of clinker cent of rated Charleston chart Clarksville classification coal bed coal field Coal Hill combustion chamber combustion-chamber temperature constant curves of fig district Drill hole dry chimney gases dry coal efficiency 72 fault feet fire flue flue-gas formation fuel bed furnace temperature gases per pound Hartshorne coal Hartshorne sandstone heat absorbed heating surface hydrogen Illinois inches increase Indian Territory indicate initial temperature Item Jenny Lind loss miles mines moisture molecules Neuropteris Number of tests obtained outcrop oxygen Pecopteris Poteau Mountain pound of combustible pounds of dry Prairie probably pyrometer Ridge rocks Russellville sample Sebastian County shaft Shale roof shows slope smoke test Spadra Sphenophyllum Sphenopteris stack steam sulphur syncline thickness tion true boiler efficiency tube U. S. Geol volatile matter West Virginia
Seite 170 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Seite iv - Clapp. 1907. 145 pp., 8 pis. B 303. Preliminary account of Goldfield, Bullfrog, and other mining districts in southern Nevada, by FL Ransome, with notes on the Manhattan district, by GH Garrey and WH Emmons.
Seite 153 - HEAT BALANCE, OR DISTRIBUTION OF THE HEATING VALUE OF THE COMBUSTIBLE. Total Heat Value of 1 Ib. of Combustible. . , .BTU BTU Per Cent. 1. Heat absorbed by the boiler = evaporation from and at 212 degrees per pound of combustible x 965.7.
Seite vi - Butts. 1906. 198 pp., 11 pis. • B 280 The Rampart gold placer region, Alaska, by LM Prindle and FL Hess. 1906. 54 pp., 7 pis.
Seite vii - Geology and water resources of a portion of the Missouri River Valley in northeastern Nebraska, by GE Condra.
Seite 198 - B 228. Analyses of rocks from the laboratory of the United States Geological Survey, 1880 to 1903. tabulated by FW Clarke, chief chemist. 1904. 375 pp. PP 28. The superior analyses of igneous rocks from Roth's Tabellen, 1869 to 1884, arranged according to the quantitative system of classification, by HS Washington.
Seite iv - B 312. The interaction between minerals and water solutions, with special reference to geologic phenomena, by EC Sullivan.
Seite 199 - Experimental work conducted in the chemical laboratory of the United States fuel-testing plant at St. Louis, Mo., January 1, 1905, to July 31, 1906, by NW Lord.
Seite 139 - Loss due to unconsumed hydrogen and hydrocarbons, to heating the moisture in the air, to radiation, and unaccounted for. (Some of these losses may be separately itemized if data are obtained from which they may be calculated.) Totals . . 100.00 •The weight of gas per pound of carbon burned maybe calculated from the gas analyses as follows : Dry gas per pound carbon =