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PRESIDENTS DAVID THOMAS 1871 R W RAYMOND 1872-1874 A L HOLLEY1875 ABRAM S HEWITT 1876 T STERRY HUNT 1877 ECKLEY B COXE 1878 - 1879 WILLIAM P SHINN 1880 WILLIAM METCALF 1881 RICHARD P ROTHWELL 1882 ROBERY W HUNT 1883 JAMES C, BAYLES 1884-1885 ROBERT H RICHARDS 1886 THOMAS EGLESTON 1887 WILLIAM B POTTER 1888 RICHARD PEARCE 1889 ADAM S HEWITT 1890 JOHN BIRKINBINE 1891-1892

Jan 1, 1923

By C. Bohdanowicz

The most important decline in drilling activities during the past three years was in the Boryslaw-Tustanowice-Mraznica fields and at Bitkow in Eastern Poland. A small drilling increase in some fields of the Jaslo and Drohobycz districts, notably Wankowa, Ropienka and Rypne, cannot compensate in new production for the decline in the large fields.

Jan 1, 1934

Organization. Place Date 1915 American Institute of Mining Engineers New York, N. Y. Feb.18-21 National Society for Promotion of Industrial Educa- tion New York, N. Y. Feb. American Institute of Architects.... Washington, D. C. April American Iron and Steel Institute New York, N. I? May New York Electrical Society: New York, N.. Y. June National Association of Stationary Engineers Cincinnati, 0. Sept.9-13 American Chemical Society Cleveland, 0. Sept. National Petroleum Association Atlantic City, N. J. Sept.

Jan 2, 1918

By J. M. Silliman

Isometrical drawing and clinographic projection are generally preferred to perspective drawings for representation of small objects or complicated mechanisms, as they present to the eye a sufficiently accurate picture of the object, while they possess great advantages over perspective in the simplicity and rapidity of execution, and the facility they give for taking measurements directly from the drawings.

Jan 1, 1882

YEAR OF ELECTION 1913. FRANK DAWSON ADAMS, Montreal, Canada. 1921. WILLIAM CUTHBERT BLACKETT Sacriston, Durham, England. 1923. GELASIO CAETANI Rome, Italy. 1920. HENRY STURGIS DRINKER Merion Station, Pa. 1933. KARL EIKERS NEW YORK, N. Y. 1922. FEDERICO GIOLITTI Torino, Italy. 1906. SIR ROBERT A. HADFIELD London, England. 1928. JOHN HAYS HAMMOND New York, N. Y. 1921. FRANK WILLIAM HARBORD London, England. 1917. HERBERT HOOVER Washington, D. C. 1905. HENRI LECHATELIER Paris, France. 1931. WALDEMAR LINDGREN Cambridge, Mass. 1921. C. McDERMID London, England. 1913. EZEQUIEL ORDONEZ Mexico City, Mexico.

Jan 1, 1934

The Howe Memorial Lecture, in memory of Henry Marion Howe, Past President of the Institute, was authorized in April, 1923, as an annual address to be delivered by invitation under the auspices of the Institute by an individual of recognized and outstanding attainment in the science and practice of iron and steel metallurgy or metallography, chosen by the Board of Directors

Jan 1, 1942

Iowa State College Ames, Iowa Iowa State Mining Society CARL S. NELSON, President NORMAN S. GEIST, Secretary K. A. PHILLIPS, Faculty Sponsor C. G. DRESSER, Counselor University Of Kansas Lawrence, Kansas University of Kansas Student Chapter of A.I.M.E. WALTER CROOK, President EDWARD C. MISHOU, Secretary E. A. STEPHENSON, Faculty Sponsor GEORGE M. FOWLER, Counselor K. A. SPENCER, Counselor .

Jan 1, 1942

E. O?C. Acker Jinzoc Adachi Truman H. Aldrich Walter H. Aldridge Anson W. Allen John H. Allen William R. Appleby W. Lawrence Austin W. S. Ayres David Baker John Henry Banks Henry C. Banon Alonzo F. Bardwell Walter A. Barrows H.C. Bellinger Wm de L. Benedict Robert Bentley John F. Berry Andrew A Blair George D. Blood Charles A. Bohn Walter M. Brodie Elwin F. Brown Fredrick Burbidge H.H. Burden Charles Butters

Jan 1, 1943

C. H. MATHEWSON, Chairman SAM TOUR, Past-chairman W. A. SCHEUCH, Vice-chairman T. S. FULLER, Vice-chairman W. M. CORSE, Secretary-Treasurer 810 Eighteenth St., N. W. Washington, D. C. Executive Committee J. L. CHRISTIE ARTHUR PHILLIPS E. H. Dix, JR. GUY C. RIDDELL W. M. PRIRCE J. WALTER SCOTT' A. J. PHILLIPS' H. M. WILLIAMS EL M. WISE

Jan 1, 1932

ROBERT F. MEHL, Chairman ALBERT J. PHILLIPS, Past-chairman ROBERT H. LEACH, Vice-chairman E. M. WISE, Vice-chairman W. M. CORSE, Treasurer - Louis JORDAN. Secretary 29 West 39th St., New York, N. Y.

Jan 1, 1938

Organization Place Date 1917 American Society of Sanitary Engineers Grand Rapids, Mich. Aug. 1-3 National Association of Stationary Engineers... Evansville, Ind. Sept. 10-15 National Safety Council New York City. Sept. 10-15 National Exposition of Safety and Sanitation. New York City Sept. 10-15 American Iron, Steel & Electrical Engineers..:. Philadelphia, Pa. Sept. 10-14 American Institute of Metals Boston, Mass. Sept. 24-29 American Foundrymen's Association Boston, Mass. Sept. 24-29 Chemical Industries, Third National Exhibition. New York City Sept. 24-29

Jan 8, 1917

Page Foreword—H. Foster Bain........................ 9 Letter of Transmittal—F. Julius Fohs...................11

Jan 1, 1927

By Claude H. P. Lupis, John F. Elliott

WAGNERL described the thermodynamic behavior of a metallic solution consisting of the solute components 2, 3,... at very dilute concentrations in the solvent, 1, in terms of the excess partial molar free energy, or alternatively the logarithm of the activity coefficient. In the Taylor expansion of FiE, by neglecting the second- and higher-order differential terms, he obtained the excess partial molar free energy as a linear function of the composition:

Jan 1, 1965

By Ernest L. Bohnet

Jan 1, 1985

By Olaf Hondrum

CHURN drilling equipment at Bagdad consists of two Bucyrus Erie 27-T model drills and one 22-T drill with gasoline engines. The drilling tools weigh approximately 1600 lb. The holes are drilled with 7-in. bits which are heated in an oil burning furnace and sharpened in an electrically powered bit sharpener. A service truck brings the bits to the drills and takes the dull bits back to the shop. The bits weigh around 250 lb. when new and are handled by drill crews without any mechanical handling device.

Jan 10, 1950

By Persifor Frazer

From the easternmost point reached by the Ural excursion of the VIIth International Geological Congress (the city of Tschéliabinsk, a little more than 30' of longitude east of St.

Jan 1, 1899

E. G. Spilsbury, Trenton, N. J.: Mr. Case's paper possesses much interest for me, because my attention was called many years ago (early in the seventies) to the deposit he describes, and his explorations seem to have confirmed the predictions I then made as to the form of the deposit, namely, that the ore would be found to occur, not, as was then imagined, in loose boulders, distribnted

Jan 1, 1894

Jan 1, 1941

By Mario L. Villa

During 1939 oil production experienced a new and important increase in Argentina in the productive areas of Comodoro Rivadavia (Territory of Chubut), Plaza Huincul (Territory of Neuquén), and those of the. Province of Mendoza. Production in the Standard Oil Company's field in the Province of Salta declined, but that of the Government oil fields in that province inereased 62.5 per cent.

Jan 1, 1940

Jan 1, 1940