01412cam a22002531 4500 gs 05000753 DLC 20260227111301.0 790220s1905 dcua f001 0 eng gs 05000753 (OCoLC)4671671 DLC ICharE DLC n-us-mo QE75 .B9 no. 261 Parker, Edward W. (Edward Wheeler), 1860- Preliminary report on the operations of the coal-testing plant of the United States Geological survey at the Louisiana purchase exposition, St. Louis, Mo., 1904. / Edward W. Parker, Joseph A. Holmes, Marius R. Campbell, committee in charge.b Washington, Govt. Print. Off., 1905. 172, v p. : 2 fold. tables; 24 cm. U.S. Geological survey. Bulletin no. 261 Subject series: A, Economic geology, 54; E, Chemistry and physics, 45. Contents.- Field work, by Marius R. Campbell.- Work of the chemical laboratory, by N. W. Lord.- Washing tests, by John D. Wick.- Steam tests, by L. P. Breckenridge.- Producer-gas tests, by Robert H. Fernald.- Comparison of results obtained from steam and producer-gas tests, by Robert H. Fernald and L. P. Breckenridge.- Cooking tests, by Fred W. Stammler.- Briquetting tests, by Joseph Hyde Pratt. Coal Testing. Geological Survey (U.S.). Bulletin ; no. 261. 24280 24280