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BUFFALO J R Atkinson, Chairman (Hamilton, Ont, Canada) C E Moyer, Vice-Chairman H A Morlock, Secretary CHICAGO H Erler, Chairman (Gary, Ind ) M E Nickel, Vice-Chairman A M Kroner, Secretary-Treasurer CLEVELAND C W Cravens, Chairman (Cleveland) E J Sobey, Vice-Chairman E Kondas, Secretary Leo Svete, Treasurer

Jan 1, 1958

By H. T. Heard

An engineer's wife is more concerned with stores than stopes, and she answers the question-can you get rich overseas?

Jan 7, 1951

By R. S. Wagner, W. G. Pfann

METHODS that have been used to measure stress relaxation in metals and plastics have been reviewed recently by G. R. Gohn and A. FOX.' The ideal stress relaxation test comprises placing a sample under a constant strain (usually considered

Jan 1, 1962

A. E. HALL, Palmerton, Pa.-I would like to ask the author if he has ever used, in his furnaces, any inner tube which would permit experimentation with various oxidizing gases, under varying conditions?

Jan 4, 1918

Jan 1, 1889

[United Engineering Trustees, Inc. A. L. QUENEAU, '45 ALBERT ROBERTS, '47 RALPH B.. WILLIAMS, '48 The Engineering Foundation F. F. COLCORD, '46 E. A. PRENTIS, JR., '48 A. L. QENEAU, '45, Chairman Engineering Societies Library Board J. W. LAIST, '48 W. A. MUDGE, '45 A. B. PARSONS, Ex-officio T. T. READ, '46]

Jan 1, 1946

By James H. Pannell, John Dasher, Wilfred L. Freyberger, A. M. Gaudin

A new sorting process for beryllium minerals is described. This depends upon emission of neutrons upon irradiation by gamma rays, a nuclear reaction which is specific for beryllium at the appropriate energy level. Signals given by neutrons when ore passes on a belt are changed to mechanical commands through amplifiers and other electrical equipment.

Jan 4, 1950

Members whose deaths were reported from Mar. 5, 1919, to Apr. 5. 1920 [Elected Died 1895 ANDERSON, ROBERT HAY 1920 1916 ATWATER, M. W 1919 1905 BARD, D. C. 1920 1893 BECKER, GEORGE F 1919 1914 BIGELOW, BRAXTON 1917 1917 BLACK, HERBERT F 1919 1911 BOWLER, ROBERT P 1919 1902 BROWN, ARTHUR H 1919 1913 BURNHAM, WILLIAM 1918 1905 Carnegie. Andrew 1919] [ ]

Jan 1, 1925

By Jorge Munoz Reyes

There was no development work in Bolivia during the year 1935, and oil was produced only to meet the needs of the army and of the local market. The refineries in the districts of Camiri and Sanandita treated 25,978,737 liters (163,388 bbl.) of crude oil, which yielded 4058 bbl. of aviation gasoline (Camiri only), 7381 bbl. of gasoline, 718 bbl. of kerosene (Camiri only) and 83,105 bbl. of fuel oil.

Jan 1, 1936

SECTION I Page Page New York Section War Meeting on Employment xxxii Sulphur and Pyrite v Local Section News xxxiv War Minerals Committee xviii Forthcoming Meetings xxxvi St. Louis Meeting xx Library xxxvii Minutes, of Meeting, Executive Membership xli Committee xxvi Institute Committees Iv Members in Military Service xxvi Officers and Directors lxii Personal xxx

Jan 10, 1917

By Jorge Munoz Reyes

There was no development work in Bolivia during the year 1935, and oil was produced only to meet the needs of the army and of the local market. The refineries in the districts of Camiri and Sanandita treated 25,978,737 liters (163,388 bbl.) of crude oil, which yielded 4058 bbl. of aviation gasoline (Camiri only), 7381 bbl. of gasoline, 718 bbl. of kerosene (Camiri only) and 83,105 bbl. of fuel oil.

Jan 1, 1936

The American Mining Congress, 841 Munsey bldg., Washington, D. C. J. F. Callbreath, Secretary. The American Mining Congress is a trade association rather than a technical society and as such does not issue scientific papers. Aside from the articles appearing in the monthly Mining Congress Journal, and the Proceedings of the Annual Meetings, only two works have been issued. They are: The standard handbook on mining methods, practice and equipment. $3.

Jan 1, 1933

Executive DEGOLYER, Chairman SIDNEY H BALL RICHARD PETERS, JR WILLIAM H BASSETT J V W REYNDERS Finance GEORGE D BARRON, Chairman H A GUESS GEORGE OTIS SMITH Membership J M CALLOW, Chiarman FRANK L ESTEP WILBER JUDSON GEORGE D BARRON H N SPICER Alternates P A MOSMAN EDWARD B STURGIS

Jan 1, 1923

The following list contains the names of members of whose deaths notices have be received at the Secretary's office between Jan. 1, 1935, and April 1, 1936. Bio¬graphical sketches published in MINING AND METALLURGY are indicated in the last two columns.

Jan 1, 1936

By Wm. Metcalf

One point of vital importance has not been touched upon this evening; it is the necessity of having a history of the mode of

Jan 1, 1882

In December, 1927, the Institute published two papers on the Brad-ford pool, which were presented at the New York meeting in 1928. Pamphlet copics may be obtained by writing to the Secretary's office for: Oil-field Waters of the Bradford Pool, by Paul D. Torrey. Technical Publicalion No. 38. Some Factors Influencing Production of Oil by Flooding in the Bradford and Allegany Fields, by Paul D. Torrey. Technical Publicaliol No. 39.

Jan 1, 1928

Plans are now being made for the formation of the American Meteorological Society, which has for its object the advancement and diffusion of the knowledge of meteorology and climatology said the broadening of their applications in public health, agriculture engineering, industry and commerce. Information regarding the society may be obtained from Charles F. Brooks, Weather Bureau, Washington, D. C.

Jan 12, 1919

By Joshua Pelleg, G. M. Lindberg

THERE are three reported investigations of self-diffusion in niobium. Lundy et al.1 found their self-diffusion data well represented by the equation

Jan 1, 1970

The American Steel Treaters Society, which meets at the Seventh Regiment Armory, Chicago, Ill., on Sept. 23-27, has provided an especially interesting program of thirty-five papers. They deal with "Heat Treatment of Steels for Cutting Purposes," "Heat Treatment of Miscellaneous Products," Heat Treatment of Steel for Intermittent Cutting Purposes, "Results of Investigation Pertaining to Heat Treatment," "Heat Treating Equipment," "Solution of Modern `demands on Heat Treating."

Jan 9, 1919

Selected bibliographies of the Iron Resources of the World and the Coal Resources of the World have' been prepared by the Engineering Societies Library for the National Research Council from the most prominent. American, English and foreign books and periodicals. The bibliograpies are intended as a guide to the literature giving economic

Jan 5, 1919