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President Mrs. Herman A. Prosser 1001 Park Avenue New York 28, N. Y First Vice-President Mrs. David E Park 115 East 67th Street New York 22, N Y. Second Vice-President Mrs Oliver Bowles 5000 Massachusetts Ave , N W. Wash 16, D C Third Vice-President Mrs. H Bobinson Plate 1215 Vancouver Avenue Burlingame, Calif

Jan 1, 1952

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,1 NEW YORK, N. Y. SECRETARY EMERITUS. ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY. BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 10, 1913

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

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. 1921. FERDINAND FocH Paris, France. 1922. FEDERICO GIOLITTI Torino, Italy. 1906. SIR ROBERT A. HADFIELD London, England. 1921. FRANK WILLIAM HARBORD London, England. 1917. HERBERT HoovER Washington, D. C. 1905. HENRI LECHATELIER Paris, France. 1921. C. McDERMID London, England. 1913. EZEQUIEL ORDONEZ Mexico City, Mexico. 1909. ALEXANDRE POURCEL Paris, France. 1911. ROBERT H. RICHARDS Cambridge, Mass. 1891. DR. ING. H. C. EMIL SCHROEDTER Mehlem a Rhein, Germany. HONORARY MEMBERS (Deceased)

Jan 1, 1928

Jan 1, 1948

Jan 1, 1949

Jan 1, 1929

Jan 1, 1945

Jan 1, 1920

Jan 1, 1920

Jan 1, 1910

Jan 1, 1945

By S. G., Lasky

IT seems to be in the nature of concepts that they have many meanings, and that the meaning best reflecting the primary interests of a person tends to be accepted by him as the normal meaning of the concept. The concept of ore reserves is no exception, for there is no unanimity of meaning among the several groups of us who are interested in ore reserves, nor even among the individuals of a single group. The groups most interested in ore reserves would seem to include at least the mining industry, perhaps State taxing agencies, and the Federal Government in all its diversified activities, and I would include also the citizenry at large or at least that part of it that consciously thinks about problems-of national welfare. To each of these, and to different individuals within them, the term reserves represents something different, and the farther away the individual or group gets from physical contact with the ore, the more abstract does his or its concept become. It is something different to the policy maker from what it is to the fact-finder or to the miner.

Jan 1, 1945

In the maintenance of rubber-tired mining equipment, tires may well represent the single greatest problem. Using a 50-ton truck as an example, engine upkeep averages about 8% of the machine's total yearly operating cost, while tires average a whopping 20%. In fact, depending upon such factors as job layout, conditions, and whether it is maintenance or production people who run the job, tire costs can climb to as high as 50% of the truck's total operating expense. Similar costs apply to other earthmoving equipment such as tractor-scrapers and front end loaders. While operators must resign themselves to "normal" tire life and wear, there are many corrective steps that can be taken to fight the "abnormal."

Jan 8, 1978

By Freeman Bishop

The House Ways and Means Committee recently heard a bitter dispute over whether gasoline with lead is a worse pollutant than gasoline without lead. The lead industry is also squarely in the middle of this dispute for obvious reasons. Lead used in gasoline amounts to 270,000 tpy, or more than 254 of the annual total mined in the U.S. Few industries can face the loss of such a market without wondering how they are to stay in business. The lead industry picked up unexpected support in this dispute, however, when the AFL-CIO stepped up with outright opposition to the President's proposal to tax lead in gasoline.

Jan 1, 1970

Jan 1, 1944

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

At its meeting on February 21, 1933, the Board of Directors the following resolution defining and expressing the policy of the Institute with respect to official participation or action in controversial matters: WHEREAS, the Board of Directors at its last meting passed the following resolution: "The Board of Directors, having been appealed to by several Local Sections for advice concerning the attitude and policy of the Institute relating to the endorsement of candidates for public office, the following statement of policy is formulated:

Jan 1, 1942