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PRESIDENT WILLIAM L. SAUNDERS,1 NEW YORK, N. Y. PAST PRESIDENTS CHARLES F. RAND,1 NEW YORK, N. Y. BENJAMIN B. THAYER,3 NEW YORK, N. Y. FIRST VICE-PRESIDENT PHILIP N. MOORE,1 ST. Louis, Mo. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 8, 1915

By M. M. Fidlar, Ralph E. Esarey

Conditions in the oil and gas industry in Indiana were somewhat better in 1936 than in the previous year, owing in large part to increased

Jan 1, 1937

PRESIDENT BENJAMIN B. THAYER,2 NEW YORK, N. Y. PAST PRESIDENTS JAMES F. KEMP,1 NEW YORK, N. Y. CHARLES F. RAND,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS,1 NEW YORK, N. Y. TREASURER GEORGE C. STONE,1 .NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY. BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 7, 1914

PRESIDENT L E Young', Pittsburgh, Pa PAST PRESIDENTS Clyde Williams, Columbus, Ohio W. E Wrather, Washington, D C VICE-PRESIDENTS Robert W Thomas', Ray, Ariz C Harry Benedict, Lake Linden, Mich D H McLaughlin, San Francisco, Calif A B Kinzel, New York, N Y Philip Kraft, New York, N Y VICE-PRESIDENT AND TREASURER Andrew Fletcher, New York, N Y

Jan 1, 1949

Oregon State Agricultural College, School of Mines, Corvallis, Ore Available publications of the old Bureau of Mines and Geology of Idaho have lately been distributed through the School of Mines of Oregon State College As the School of Mines was abolished in the summer of 1932, all of the bulletins and publications available have been turned over to the State College Library for distribution. At present plans have not been completed for further distribution For information on available publications, address: Director of Libraries, Oregon State College, Corvalhs, Oregon

Jan 1, 1933

By P. Barnes

Exact accounts hare been kept of the cost of these chimneys, and it may he a matter of some possible interest. that the plans and details of cost should be laid before the Institute. The statement of cost herewith submitted does not give minute particulars of the weights or quantities of material used, although these are noted upon the company's books.

All the Affiliated Student Societies report that the present college year promises to be a most successful one. The officers for this year, so far as reported, are as follows: TUFTS COLLEGE CHEMICAL SOCIETY President, CHESTER B. PIERCE Vice-president, JOHN H. SCHMUCK Secretary-treasurer, DANIEL A. PRESCOTT President, R. G. SATTERLEY Third vice-president, H. E. BLAKE First vice-president, LESTER VOCKE Secretary,-J. E. FLANIGAN Second vice-president, `V. J. KLINE Treasurer, PROF. JAMES FISHER, JR About 75 per cent. of the students are ex-service men, and most of them saw service in France.

Jan 12, 1919

PRESIDENT BENJAMIN B. THAYER,2 NEW YORK, N.. Y. PAST PRESIDENTS JAMES F. KEMP,1 NEW YORK, N. Y. CHARLES F. RAND,2 .NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS,1 NEW YORK, N. Y. TREASURER GEORGE C. STONE,1 NEW YORK,. N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N.Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 9, 1914

PRESIDENT BENJAMIN B. THAYER,1 NEW YORK, N. Y. PAST PRESIDENTS JAMES F. KEMP,1 NEW YORK, N. Y. CHARLES F. RAND,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS,1 NEW YORK, N. Y. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y.. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 10, 1914

For the year ending February, 1916 PRESIDENT WILLIAM L. SAUNDERS,1 NEW YORK, N. Y. PAST PRESIDENTS CHARLES F. RAND,1 NEW YORK, N. Y. BENJAMIN B. THAYER,3 NEW YORK, N. Y. FIRST VICE-PRESIDENT PHILIP N. MOORE,1 ST. Louis, Mo. TREASURER GEORGE C. STONE,1 NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y..

Jan 2, 1916

A full account of the wonderful Arizona meeting will be published in the December Bulletin. For the strenuous, interesting, and altogether happy week, we express our hearty thanks to those marvels of energy and thoughtfulness, the members of the local committees in Texas, New Mexico and Arizona. In this number we publish the discussion resulting from the technical session on "Flotation." Because of the timeliness of the subject, this session's discussion was transcribed first and sent to the contributors, and, thanks to their promptness in revising, we are able to print it in this issue.

Jan 10, 1916

R. W. NEWCOMB, New York, N. Y. (written discussion *).-In this paper, the author has enumerated the various sources of error that may, under certain conditions, develop in instruments of the direct-deflection type, but through a failure to mention possible sources of error in instru-ments of the potentiometer type, he leaves the reader with a wrong im-pression. If he would carry his criticisms further and give a list of the possible sources of error on potentiometer instruments, the paper would be more complete.

Jan 12, 1919

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Jan 1, 1938

PRESIDENT. .CHARLES F. RAND,1 NEW YORK, N. Y. PAST PRESIDENTS. CHARLES KIRCHHOFF,1 NEW York, N. Y. JAMES F. KEMP,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT. BENJAMIN B. THAYER'1 NEW YORK, N. Y. TREASURER. GEORGE C. STONE,' NEW YORK, N. Y. SECRETARY EMERITUS. ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY . BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 6, 1913

Mining Methods LUCIEN EATON, Chairman S. R. ELLIOTT, Vice-chairman CHARLES W. WRIGHT, Secretary Alluvial Mining CLINTON BERNARD CHARLES JANIN O. J. EGLESTON CHARLES H. MUNRO NORMAN L. WIMMLER Open-Cut Mining Iron MAX H. BARBER J. A. MACKILLICAN Copper W. S. BOYD MICHAEL CURLEY R. B. TEMPEST

Jan 1, 1932

[Executive J. V. W, REYNDERS, Chairman SYDNEY IL BALL E, DEGOLYER WILLIAM H. BASSETT SAMUEL A. TAYLOR Finance GEORGE D, BARRON, Chairman H. A, GUESS GEORGE OTIS SMITH Membership J. DI, CALLOW, Chairman GEORGE D, BARRON WILBER JUDSON JOHN A. CHURCH, JR. H, N. SPICER Alternates LEWIS W. FRANCIS LOUIS D, HUNTOON F, T. RUBIDGE]

Jan 1, 1928

By R. S. Rickard

Using a simple model, the necessary chemical conditions for sulfide leaching will be discussed. Also other chemical control- ling factors will be reviewed briefly.

Jan 1, 1974

ASSOCIATED MINERS, UNIVERSITY OF IDAHO The following officers of the Associated Miners of the University of Idaho have been elected for the academic year for 1918-1919: President, Lloyd A. McDougal; vice-president, Russel D. Bowers; secretary-treasurer, Charles M. Otter. While the society has been somewhat quiescent during the existence of the S. A. T. C., we are now looking forward to an active session with the resumption of normal university life. CHARLES M. OTTER, Sec'y-Treas.

Jan 2, 1919

United Engineering Society J VIPOND DAVIES,-President WILLIAM L SAUNDERS ALFRED D FLINN Secretary GEORGE H PEGRAM, 2d Vice-president JOSEPH STRUIHERS, Treasurer HENRY A LARDNER Assistant treasurer Finance Committee House Committee WILLIAM L SAUNDERS, Chairman ALFRED D FLINN, Chairman GEORGE H PEGRAMO FREDERICK F SHARPLESS ARTHUR S DWIGHT JOHN H DUNLAP BANCROFT GHERARDI CALVIN W RICE I VIPOND DAVIES, ex-officio F L HUTCHINSON

Jan 1, 1923

By General Meigs

I do not know that I can do any more than to express my entire concurrence in the views which have. been already expressed by Mr. Macdonald. It appears to me that he has we over the wholz subject. I might add in regard to appealing to the Govern-

Jan 1, 1882