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The 116th Meeting of the Institute is being held in New York as this Bulletin goes to press. A full account of the proceedings, together with a report of the discussion of technical papers, will be printed in the April Bulletin.

Jan 3, 1918

Jan 1, 1929

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman. Nominations-Pops YEATMAN, chairman.

Jan 8, 1919

Jan 1, 1935

By T. Egleston

SOME months ago samples of black oxide of copper and of pig copper from Colorado were sent to me to examine for arsenic and

Jan 1, 1882

By R. W. Raymond

RECENT literary labors have led me to the compilation of the following tables and estimates, which may possess interest for my colleagues in the Institute, and which are here submitted without comment.

Jan 1, 1876

Jan 1, 1909

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Jan 1, 1938

By Charles F. Manness

In the great increase of product which has been accomplished in the American Bessemer plant, through improvements in machinery and refractories, and by more perfect skills in their manipulation

Jan 1, 1881

PROF RICHARD ÅKERMAN Stockholm, Sweden SIR LOWTHIAN BELL Middlesborough, England DR THOMAS M DROWN South Bethlehem, Pa PROF HATON DE LA GOUPILLIERE Paris, France PROF HANS HOEFER Leoben, Austria PROP DR BRUNO KERL Berlin, Germany M FLORIS OSMOND Paris, France PROF DIMITRY CONSTANTIN TSCHERNOFF St Petersburg, Russia PROF DR HERMANN WEDDING Berlin, Germany

Jan 1, 1910

By Harrison Schmitt

An eloquent plea for clear and objective thinking when, with a war behind us and the possibility of future conflicts looming large, we must re- evaluate our mineral position with an eye to defense.

Jan 4, 1950

By Bleeker L. Wheeler

Potential, not past earnings form the basis of valuation. Markets, taxes, transportation and numerous other factors are also of prime importance.

Jan 7, 1951

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

Executive-A. R. Ledoux, chairman. Membership-J. V. W. REYNDERS, chairman. Finance-J. V. N. Dorr, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications--BRADLEY STOUGHTON, chairman. Nominations-Pope YEATMAN, chairman.

Jan 11, 1919

Congress has authorized the President to control the supply and distribution of the following: Antimony, arsenic, ball clay, bismuth, bromine, cerium, chalk, chromium, cobalt, corundum, emery, fluorspar, ferrosilicon, fullers' earth, graphite, grinding pebbles, iridium, kaolin, magnesite, manganese, mercury, mica, molybdenum, osmium, sodium, platinum, palladium, paper clay, phosphorus, potassium, pyrites, radium,

Jan 12, 1918

Jan 1, 1879

ASSETS Working Fund Assets Cash-unappropriated $62,41294 Members' 1951 dues receivable 14,336 98 Accounts receivable Advertising, publications and miscellaneous $43,22055 Less-Reserve for delinquent accounts 12,775 76 $30,44479 Petroleum Branch-Special Projects Fund¬ Advances re Petroleum Conservation Volume 5,37085 35,81564

Jan 1, 1952

Underwood & Underwood HERBERT C. HOOVER ALBERT SAUVEUR CHAIRMAN OF WASHINGTON, D. C. CHAIRMAN OF BOSTON SECTION SECTION FREDERICK LAIST R. V. NORRIS CHAIRMAN OF MONTANA CHAIRMAN OF PENNSYLVANIA LOCAL SECTION ANTHRACITE SECTION CHAIRMEN OF SOME OF OUR LOCAL SECTIONS

Jan 6, 1919

By J. B. Rasmussen, M. A. Anderson

Mine maintenance department organization varies widely among companies. The four concentrator maintenance departments shown here illustrate specific practice. In order to indicate the relationship of the maintenance department to operations and to higher-level management, many subordinate functions have been omitted or abbreviated. Where possible, the number of supervisory, technical, and craft personnel are included.

Jan 3, 1978