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[Allen -Sherman-Hoff Pump Co Third Cover Dee Carlton Brown. Advertising Allis-Chalmers Mfg. Co 228, 228,241 Compton Advertising, Inc. American Cyanamid Co James J. McMahon. Inc. American Manganese Steel Div., American Brake Shoe Co; 246 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co 229 Kenyon & Eckhardt Inc.]

Jan 1, 1952

In the mile-high city of Denver. Colo., the mining industry's political adjunct, The American Mining Congress, held its annual meeting, September 27-30. The Honorable Maurice H. Stans, in what became the keynote address of the meeting, spoke of a "common interest in a basic reality of 1970, a reality involving ecology, energy, raw materials and natural resources.”

Jan 1, 1970

Jan 1, 1934

By J. J. Spencer

IT has been found that, during any particular period of operation or in mining any particular area of the Castle Dome mine, there appears variation between mine grade and mill grade, thus Ear always in the plus direction. It would be interesting to know if this condition obtains at other properties, and, if possible, to alter the sampling methods or computations in order to get better agreement between mine and mill figures.

Jan 4, 1951

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE, ST. Loves, Mo. PAST PRESIDENTS , WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS, . NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS 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 10, 1917

For the year ending February, 1917 PRESIDENT L. D. RICKETTS,1 NEW YORK, N. Y. PAST PRESIDENTS BENJAMIN B. THAYER,1 NEW YORK, N. Y. WILLIAM L. SAUNDERS,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS1 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 5, 1916

By P. Barnes

EXACT accounts have been kept of the cost of these chimneys, and it may be 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.

Jan 1, 1876

PRESIDENT WILLIAM L. SAUNDERS,1 NEW YORK, N. Y. PAST PRESIDENTS CHARLES F. RAND,1 NEW York , N. Y. BENJAMIN B. THAYER,2 . 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.

Jan 4, 1915

University of Alabama University, Alabama Mining and Metallurgical Society ROBERT H WHELFSS, President JOHN WINEFORDNER, Vice-President DORACE DODD, Secretary KARL STARK, Treasurer GEORGE T BATOR, Faculty Sponsor PERCY G COWIN, Counselor

Jan 1, 1952

For the convenience of members who may be traveling from place to place, the Secretary has compiled a list of libraries or other places in the United States and foreign countries where MINING AND METALLURGY or the Transactions may be consulted. This list will be sent to members if they so request.

Jan 1, 1925

By J. T. Richards

ELASTIC constants, including E-modulus, G-modulus, Poisson's ratio, and compressibility, are affected by temperature, but not necessarily to the same degree nor in the same direction. Theoretical expressions relating the temperature coefficients for the various elastic constants have been introduced by Gruneisen. In considering the thermoelastic characteristics

Jan 1, 1955

By N. M. Langdon

It is now about, two years since we began wing concentrates from Port Henry magnetic-ores in the blast-furnaces of Witherbee, Sherman & Co. During this time we have had the usual ups and downs incident to blast-furnace practice, and have used the concentrates in

Jan 1, 1892

The United States Geological Survey recently published Bulletin 690, which contains those papers dealing with zinc and copper. ores at Ophir, Utah; gravel deposits in Arkansas, with special' reference to their possible utilization as a source of hard pebbles for grinding mills; phosphate deposits in the Uinta Mountains, Utah; quicksilver deposits in the Phoenix Mountains, Ariz.; and manganese deposits near Butte and in Madison County, Mont. This bulletin is completely descriptive and contains important illustrations and maps.

Jan 9, 1919

Executive J V W. REYNDERS, Chairman WILLIAM H. BASSETT E DEGOLYER H C BELLINGER RICHARD PETERS. JR. Finance H. A. GUESS GEORGE OTIS SMITH, Chairman F. JULIUS FONS Admissions GEORGE D. BARRON, Chairman DAVID LEVINGER P. A MOSMAN El K MASTERS J. A. SINGMASTIIR Alternates F. G. BREYER C W HAMILTON F. E PIERCE

Jan 1, 1923

Jan 1, 1943

A Foreign Policy To Protect Our Resources AGENCIES are being established in Washington to marshall raw materials and industry to build the machines of war. For the third time in less than a generation we are digging into nature's treasure trove for metals and fuels indispensable for war but equally indispensable to the peace of future generations of Americans.

Jan 1, 1951

The Petroleum Division met at Fort Worth, Texas, Oct 8-9 $ The headquarters were at the Blackstone Hotel, the attendance was 175 Sixteen papers were presented, 12 of them by the authors The technical program was built up around four major topics. Drilling, Production, Engineering Education and Metallurgy There were four sessions, two each day More than 100 were present at the luncheon on Friday noon, which was addressed in turn by President Lovejoy, George Otis Smith

Jan 1, 1937

Jan 1, 1915

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE ST. Louis, Mo. PAST PRESIDENTS WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS NEW YORE, 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 12, 1917

By Elmars Ence, Harold Margolin

BUMPS, Kessler, and Hansenl have reported that the solubility of aluminum in or titanium is about 31 pct at 1240°C. Despite this large solubility, and no evidence of other phenomena, alloys containing 12 pct A1 or more were found to be brittle. The

Jan 1, 1958