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[Year or HONORARY MEMBERS Election 1876. PROF. RICHARD AKERMAN Stockholm, Sweden. 1913. DR. FRANK DAWSON ADAMS Montreal,. Canada. 1888. PROF. HATON DE LA GOUPILLIERE Paris, France. 1906. SIR ROBERT A. HADFIELD London, England. 1896. HERBERT HOOVER Stanford University, Cal. 1874. ROBERT W. HUNT Chicago, Ill. 1915. JAMES FURMAN KEMP New York, N. Y. 1905. PROF. HENRI Louis LE CHATELIER Paris, France. 1918. EZEQUIEL OBDONEZ Mexico City, Mexico. 1909. ALEXANDRE POUBCEL Paris, France. 1911.. PROF. ROBERT H. RICHARDS Boston, Mass. . 1906. JOHN E. STEAD Middlesbrough, England. 1902. PROF. DIMITRY CONSTANTIN TSCHERNOFF Petrograd, Russia. 1910. PROF. TSUNASHIRO WADA Tokyo, Japan. 1907. CHARLES D. WALCOTT Washington, D. C.] [ ]

Jan 1, 1925

The Institute conducts jointly with the American Society of Civil Engineers, American Society of Mechanical Engineers and American Institute of Electrical Engineers, certain activities as listed below, and is joint owner with them of certain properties. United Engineering Trustees, Inc. When Mr. Carnegie made. his gift ?for the erection of a suitable home? for the engineering societies,

Jan 1, 1944

Jan 1, 1941

By Gilbert H. Cody

The present article calls attention to the activities of a committee on coal research of the sister society of Economic Geologists. The field of coal geology crosses the boundary between the two societies and joint meetings are as applicable here as in the metallic and other nonfuel fields of mining and natural resources recovery. The six fields of coal geology are briefly described and some of the ways in which they touch on coal mining, preparation, and recovery briefly indicated.

Jan 2, 1950

CURRENT MATTERS Page Page New York Meeting v Federal Control of Minerals xxxii Meeting of Board of Directors.. ix Naval Consulting Board...' xxxix Reports for Year, 1917: Perkin Medal xl Secretary ix Communication from Albert Treasurer xvii Sauveur xl Committee on Membership... xx Affiliated Student Societies xli Committee on Increase of Membership in Military Service... xli Membership xx Personal xlvii Committee on Publications... xxii Positions Vacant 1 Committee on Library xxiii Engineers Available li Local Section News: Forthcoming Meetings lii Boston xxiv Library liii. Columbia xxv Membership lvii San Francisco xxx Institute Committees lxx Qualifications for Membership.. xxxi Officers and Directors lxxviii.

Jan 2, 1918

[E. E. SCHUMACHER, Chairman ARTHUR PHILLIPS, Past-Chairman L W. KEMPF, Senior Vice-Chairman E. A. ANDERSON, Vice-Chairman H. A. MALONEY, Treasurer FRANK T..SISCO. Secretary 29 West 39th Street, New York 18, N. Y.]

Jan 1, 1946

By Fordyce Coburn

RICHARD ore mine of the Colorado Fuel & Iron Corp. is an underground magnetite operation located in northern New Jersey approximately four miles northeast of the town of Dover, and 40 miles west of New York City. The mine is situated on the southeastern flank of one of the many gneissic ridges having a northeast-southwest trend

Jan 11, 1953

By Richard A. Conkling

D. W. OHERN, Oklahoma, Okla. (communication to the Secretary*). -The author states: "A shale layer buried beneath 2,000 or 3,000 ft. of strata, in some instances, will upon folding become thicker in the synclines and thinner on top of the anticlines." In any series of folded strata there is a level of no strain. Provided the strata do not slip on each other, there would be above this level a thickening of strata in the synclines and a thinning on the anticlines, as the author states, while the converse would obtain below this level. In order that the author's

Jan 3, 1917

By A. Whillier

Methods are given for estimating heat flows into mining excavations of various types, with an example to illustrate how the refrigeration requirements are then determined after allowing for the cooling effects of the ventilation air.

Jan 1, 1981

Jan 1, 1903

J. S. UNDER, Pittsburgh, Pa. (communication to the Secretary*).¬In discussing Mr. Wysor's paper, I said that we were investigating the deposits around furnaces working on certain ferro alloys. Since the meeting, we have made a number of investigations, and have found that the deposits in the second and third passes of the hot-blast stoves, and near the stack at the boilers of furnaces working on spiegel and ferromanganese, contain about 15 per cent. total potash, of which 10 per cent. is water-soluble. The potash occurs mostly as potassium sulphate, a very small amount being present as potassium carbonate.

Jan 6, 1917

Year Institute of Metals ? Petroleum - Iron and Steel ? Coal ? Mineral Industry Education - Industrial Minerals 1918 W M CORSE 1919 1920 W H BASSETT 1921 1922 W B PRICE 1923 E DEGOLYER 1924 G K ELLIOTT 1925 F JULIUS FOHS 1926 PAUL D MERICA 1927 JOHN M LOVEJOY 1928 S SKOWRONSKI A W AMBROSE RALPH H SWEETSER 1929 J B UMPLEBY G B WATERHOLSE 1930 ZAY JEFFRIES C V MILLIKAN W J MACKENZIEHOWARD N EAVENSON 1931 SAM TOUR C E BEECHER F M BECKET 1932 C H MATHEWSON EARL OLIVER F N SPELLERTHOMAS G FEAR C H FULTON

Jan 1, 1952

By C. W. Yang

In this paper, we discuss the possible impacts on market structure of imposing the pollution tax on coal producers in the Appalachian market. The consequence of such environmental restraints would (i) alter the trade and supply patterns, (ii) reduce consumptions of coal, and (iii) cause the Appalachian coal market to undergo a structural change. Simulations are then made to demonstrate that the model is rather sensitive to the pollution tax especially in terms of market boundaries.

Jan 1, 1983

PRESIDENT HERBERT HOOVER, STANFORD UNIVERSITY; CAL. PAST PRESIDENTS SIDNEY J. JENNINGS NEW YORK, N. Y. HORACE V. WINCHELL MINNEAPOLIS, MINN. FIRST VICE-PRESIDENT EDWIN LUDLOW, NEW YORK, N. Y. TREASURER GEORGE D. BARRON NEW YORK, N. Y.

Jan 1, 1923

Jan 1, 1940

Arizona FRANK A. WARDLAW, JR., Chairman GRANT R. RUBLY, Secretary-Treasurer Miami Copper Co., Box 505, Miami, Ariz. MICHAEL CURLEY C. R. KUZELL BURRELL R. HATCHER A. MENDELSOHN WILLIAM KOERNERA. C. REIFSNIDER Black Hills L. B. EAMES, Chairman ALEXANDER J. M. Ross, First Vice-Chairman FRANCIS CHURCH LINCOLN, Second Vice-Chairman NATHANIEL HERZ, Secretary-Treasurer Lead, S. D. JOSEPH P. CONNOLLY C. N. KRAVIG C. E. DAWSON EDWARD L. TULLIS

Jan 1, 1939

By Walter G. Perkins

As this particular product holds a place by itself, it seems desirable to give a paper dealing especially with it as a corollary to my paper entitled " The Litharge Process of Assaying Copper-Bearing Ores and Products, and the Method of Calculating Charges."* The process is first to convert the metallic copper into matte by the addition of sulphur, allowing the two elements to combine at the bottom of the crucible when heat is applied. The

Jan 1, 1903

By Porter W. Shimer

The solution used in the following method for phosphorns-determination is the filtrate obtained in the nitric and sulphuric acid method for the determination of silicon (Transactions, vii., 346). This filtrate, being easily and quickly obtained, and always quite free from silica, is a desirable one for phosphorus-precipitation. IN order, however, to get all the phosphorus in a precipitable form the solution must be made under conditions more strongly oxidizing than simple solution in boiling nitric acid. In a solution thus

Jan 1, 1889

By Edward F. Fitzhugh

QUANTITATIVE appraisal of the chances of finding various tonnages and grades of ore clarifies any exploratory development proposal. Ways are discussed of appraising chances in conformance with probability principles, and graphs are suggested to show tonnages, grades and the corresponding judged expectancies.

Jan 1, 1947

Jan 1, 1962