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By AIME AIME

Council.* PRESIDENT OF THE COUNCIL. ROBERT W. HUNT CHICAGO, ILL. (Term expires February, 1907.) VICE-PRESIDENTS OF THE COUNCIL. WILLIAM P. BLAKE TUCSON, ARIZ. THOMAS F. COLE DULUTH, MINN. IRVING A. STEARNS WILKES-BARRE, PA. (Term expires February, 1907.) HENRY AL HOWE NEW YORK, N. Y. J. B. GRANT DENVER, COLO. JAMES D. HAGUE NEW YORK, N. Y. (Term expires February, 1909.)

Jan 1, 1907

By AIME AIME

Council.* PRESIDENT OF THE COUNCIL. ROBERT W. HUNT CHICAGO, ILL. (Term expires February, 1907.) VICE-PRESIDENTS OF THE COUNCIL. WILLIAM P. BLAKE TUCSON, ARIZ. THOMAS F. COLE DULUTH, MINN. IRVING A. STEARNS WILKES-BARRE, PA. (Term expires February, 1907.) HENRY AL HOWE NEW YORK, N. Y. J. B. GRANT DENVER, COLO. JAMES D. HAGUE NEW YORK, N. Y. (Term expires February, 1909.)

Nov 1, 1906

By W. E. C. Eustis

During the last year I had occasion, on behalf of our New York copper works, to send to various chemists samples, intended to he accurate, of material which we were buying and selling, and I was astonished to find what differences were reported. After talking over the probable reasons for this with a number of chemists and metallurgists, it was suggested that it would be of real use and some scientific interest to send samples to the different chemists, and take such care in making up the samples that we could feel sure that each chemist had as nearly identical a sample as it was possible to make. After some consideration it was determined to send a mixture which should carry about 50 per cent. copper, and

Jan 1, 1883

Jan 1, 1920

Jan 1, 1915

Jan 1, 1971

By Samuel S. Wyer

The following abbreviations have been used in the text: Cassier's, Cassier's Magazine. Eng. Lond., The Engineer (London). Eng. Mag., Engineering Magazine. Eng. News, Engineering News. Eng. Rec., Engineering Record. Eng. and Min. Jour., Engineering and Mining Journal. Engng., Engineering. Jour. Assn. Eng. Soc., Journal of the Association of Engineering Societies. Engr., The Engineer (Chicago). Jour. I. and S. I., Journal of the Iron and Steel Institute. Jour. F. I., Journal of the Franklin Institute. Mar. Eng., Marine Engineering. Mem. Soc. Ing. Civ., France, Memoires de la Socie'te' des Inge-nieurs Civils, France. Pract. Eng., Practical Engineer. Proc. Engs. Soc. of W. Pa., Proceedings of the Engineers' Society of Western Pennsylvania. Proc. I. C. E., Proceedings of the Institute of Civil Engineers. Proc. I. M. E., Proceedings Institution of Mechanical Engineers. Trans. A. I. M. E., Transactions of the American Institute Mining Engineers. Sci. Am., Scientific American. Sci. Am. Sup., Scientific American Supplement. Zeitschr. d. V. D. Ing., Zeitschrift des Vereines Deutscher Inge-niezcre.

Jan 1, 1906

Jan 1, 1940

Jan 1, 1940

By AIME AIME

COUNCIL.* PRESIDENT OF THE COUNCIL. CHARLES KIRCHHOFF NEW YORK, N. Y. (Term expires February, 1912.) VICE-PRESIDENTS OF THE COUNCIL. BENJAMIN B. LAWRENCE NEW YORK, N. Y. JOSEPH W. RICHARDS SOUTH BETHLEHEM, PA. ALBERT SAUVEUR CAMBRIDGE, MASS. (Term expires February, 1912.) S. B. CHRISTY BERKELEY, CAL. W. A. LATHROP PHILADELPHIA, PA. GARDNER F. WILLIAMS WASHINGTON, D. C. (Term expires February, 1913.)

Mar 1, 1911

By AIME AIME

Council.* PRESIDENT OF THE COUNCIL. JOHN HAYS HAMMOND* New York, N. Y. (Term expires February, 1909.) VICE-PRESIDENTS OF THE COUNCIL. SAMUEL B. CHRISTY BERKELEY, CAL. JOHN A. CHURCH NEW YORK, N. Y. PERSIFOR FRAZER PHILADELPHIA, PA. (Term expires February, 1909.) J. PARKE CHANNING NEW YORK, N. Y. FREDERICK 1V. DENTON PAINESDALE, MICH. JOHN B. FARISH DENVER, COLO. (Term expires February, 1910.)

Mar 1, 1908

By AIME AIME

Council.* PRESIDENT O. THE COUNCIL. JOHN HAYS HAMMOND NEW YORK, N. Y. (Term expires February, 1909.) VICE-PRESIDENTS OF THE COUNCIL. SAMUEL B. CHRISTY BERKELEY, CAL. JOHN A. CHURCH NEW YORK, N. Y. PEPSIFOR FRAZER PHILADELPHIA, PA. (Term expires February, 1909.) J. PARKE CHANNING NEW YORK, N. Y. FREDERICK W. DENTON PAINESDALE, INCH. JOHN B. FARISH DENVER, COLO. (Term expires February, 1910.)

Jan 5, 1908

By AIME AIME

Council.* PRESIDENT OF THE COUNCIL. JOHN HAYS HAMMOND NEW YORK, N. Y. (Term expires February, 1908.) VICE-PRESIDENTS OF THE COUNCIL. HENRY M. HOWE NEW YORK, N. Y. J. B. GRANT DENVER, COLO. JAMES D. HAGUE NEW YORK, N. Y. (Term expires February, 1908.) SAMUEL B. CHRISTY BERKELEY, CAL. JOHN A. CHURCH NEW YORK; N. Y. New PERSIFOR FRAZER PHILADELPHIA, PA. (Term expires February, 1909.)

Mar 1, 1907

By O. S. Bogdanov, I. I. Maximov, L. A. Otrozhdennova, M. F. Emelyanov

Results of a study of flotation kinetics of martite particles as a function of bubble size and agitation intensity are presented. Effect of pulp dispersion on flotation separation of galena and secondary copper sulphides--bornite and chalcocite--are also discussed.

Jan 1, 1980

Jan 1, 1880

A. Blainey (Ministry of Supply, Atomic Energy Research Establishment. Hnrtoell. England)—With ref- erence to the published work of Hausner et al. on the powder metallurgy of zirconium, it will be of interest to summarize briefly the results of preliminary work we have carried out on this subject at A.E.R.E., Harwell. For the early experiments we used zirconium

Jan 1, 1953

[NORTH AMERICA UNITED STATES ALABAMA ADAMSVILLE U. S. Steel Corp. Neason, James E. ALBERTVILLE Thompson Floral Co. Loudermilk, E. L. ANNISTON No Data Supplied Bonnichsen, Bill BESSEMER U. S. Steel Corp.-TCI Div. Beck, Adolph W., Jr. Boyle, James R. Cofield, William H. *Evans, James D. F., II *Guyton, Jesse C. Johnson, Leland H. Tetley, Albert L. No Data Supplied Crockard, F. H. Fisher, Joe T. Griffin, Joseph M. McFarland, E. A. Mohr, Henry E. Neal, George M. Walker, Wilber D.]

Jan 1, 1961

By AIME AIME

COUNCIL PRESIDENT OF THE COUNCIL. CHARLES KIRCHHOFF NEW YORK, N. Y. (Term expires February, 1912.) VICE-PRESIDENTS OF THE COUNCIL. BENJAMIN B. LAWRENCE NEW YORK, N. Y. JOSEPH W. RICHARDS SOUTH BETHLEHEM, PA. ALBERT SAUVEUR CAMBRIDGE, MASS. (Term expires February, 1912.) S. B. CHRISTY BERKELEY, CAL. W. A. LATHROP PHILADELPHIA, PA. GARDNER F. WILLIAMS WASHINGTON, D. C. (Term expires February, 1913.)

Oct 1, 1911

University or College Society President Secretary Alabama, University of University. Ala Mining and Metallurgical Society Warren G. Payne Melbon J. Langley Alaska Agr. College and School of Mines, College, Alaska Alaska Mining Society Robert McCombe Robert Mize Arizona, University of, Tucson, Aria Miners' Society Frank Bacon Charles V.' Harris California University of, Berkeley, Cal...: Students Mining Association C. F. Bedford J. R. Hollcraft, Jr. Came is Inst. of Technology, Pittsburgh, Pa The Miners and Metallurgists Society Richard M. Barnhart Jack E. Morris Case School of Applied Science, Cleveland, Ohio Pick and Shovel Club R. H. Randolph W. B. Scott Colorado School of Mines, Golden, Colo Student Branch of A. I. M. E, Donald Peaker T. H. Evans Jones Harvard University, Cambridge, Mass Geological Club H. E. Quinn Lincoln Thiesmeyer Idaho, University of, Moscow, Idaho Associated Miners John T. Carpenter Robert D. Baily Illinois, University of Urbane, Ill Mining Society H. M. Adams R. M. Sherer' Kansas University of, Lawrence, Kane : Student Branch of the A.I.M.E. Henry Gould Everett Stidham Kentucky, University of, Lexington, Ky : Norwood Mining and Metallurgical John D. Lancaster James A. Purnell

Jan 1, 1929

Jan 1, 1931