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The Howe Memorial Lecture, in memory of Henry Marion Howe, Past President of the Institute, was authorized in April, 1923, as an annual address to be delivered by invitation under the auspices of the Institute by an individual of recognized and outstanding attainment in the science and practice of iron and steel metallurgy or metallography, chosen by the Board of Directors

Jan 1, 1941

LIMA (PERU) Established May, 1952 James S Young, Honorary Member of Section (Legion of Honor Member) Bernard T Colley, Honorary Member of Section (Legion of Honor Member) Edward H Robie, Honorary Member of Section (Secretary of AIME) Carl W Westphal, Chairman Ernesto A Baertl, 1st Vice-Chairman Pierre L Garrigue, 2nd Vice-Chairman Walter E King, Secretary-Treasurer Avenida Santa Cruz 331 San Isidro, Lima, Peru Daniel M Rodriguez, Assistant Secretary Alberto E Brazzini, Assistant Treasurer Robert P Koenig, Section Delegate Irving L Barker, Special Representative

Jan 1, 1954

E. O?C. Acker Jinzoc Adachi Truman H. Aldrich Walter H. Aldridge Anson W. Allen John H. Allen William R. Appleby W. Lawrence Austin W. S. Ayres David Baker John Henry Banks Henry C. Banon Alonzo F. Bardwell Walter A. Barrows H.C. Bellinger Wm de L. Benedict Robert Bentley John F. Berry Andrew A Blair George D. Blood Charles A. Bohn Walter M. Brodie Elwin F. Brown Fredrick Burbidge H.H. Burden Charles Butters

Jan 1, 1944

LIMA (PERU) Established May, 1952 (Official year begins in June) Luncheon meetings third Wednesday monthly Ernesto A Baertl, Chairman Arthur C Hall, Chairman-elect Raymond R Beard, 1st Vice-Chairman Edgardo Portaro, 2nd Vice-Chairman Walter E King, Secretary-Treasurer Av Santa Cruz 331 San Isidro, Lima, Peru Alberto E Brazzini, Asst Treasurer Daniel M Rodriguez, Asst Secretary Robert P Koenig, '56, Section Delegate Arthur C Hall, Alternate Section Delegate

Jan 1, 1955

[Alphabetic Section (Page 729): The letter following the member's name indicates grade: M-Member, A-Associate, J-Junior. The numerals following member's grade indicate year of election. The letter following year of election indicates primary Divisional affiliation: A-Mining & Exploration F-Coal B-Minerals Beneficiation G-Petroleum C-Iron and Steel H-Industrial Minerals D-Extractive Metallurgy J-Council o f Education E-Institute o f Metals K-Council o f Economics]

Jan 1, 1961

William Kent, Montclair, N. J. (communication to the Secretary*):—The authors say, "The factor which determines the completeness of combustion of tlie volatile matter, after it has bee11 mixed with a certain amount of air, is the length of time the mixture is allowed to remain in the combustion-space; but this length of time depends on the extent of the space itself."

Jan 1, 1911

E. O'C. Acker '86 Truman H. Aldrich '78 Anson W. Allen '87 John H. Allen '84 W. Lawrence. Austin '82 W. S. Ayres '73 David Baker '86 John Henry Banks '83 Wm. de L. Benedict '83 Robert Bentley '84 Andrew A. Blair '75 Walter M. Brudie '72 Frederick Burbidge '87 H. H. Burden '83 Charles Butters '83 R. C. Canby '82 Arthur C. Carson '84

Jan 1, 1938

The Howe Memorial Lecture, in memory of Henry Marion Howe, Past President of the Institute, was authorized in April, 1923, as an annual address to be delivered by invitation under the auspices of the Institute by an individual of recognized and outstanding attainment in the science and practice of iron and steel metallurgy or metallography, chosen by the Board of Directors

Jan 1, 1942

Iowa State College Ames, Iowa Iowa State Mining Society CARL S. NELSON, President NORMAN S. GEIST, Secretary K. A. PHILLIPS, Faculty Sponsor C. G. DRESSER, Counselor University Of Kansas Lawrence, Kansas University of Kansas Student Chapter of A.I.M.E. WALTER CROOK, President EDWARD C. MISHOU, Secretary E. A. STEPHENSON, Faculty Sponsor GEORGE M. FOWLER, Counselor K. A. SPENCER, Counselor .

Jan 1, 1942

E. O?C. Acker Jinzoc Adachi Truman H. Aldrich Walter H. Aldridge Anson W. Allen John H. Allen William R. Appleby W. Lawrence Austin W. S. Ayres David Baker John Henry Banks Henry C. Banon Alonzo F. Bardwell Walter A. Barrows H.C. Bellinger Wm de L. Benedict Robert Bentley John F. Berry Andrew A Blair George D. Blood Charles A. Bohn Walter M. Brodie Elwin F. Brown Fredrick Burbidge H.H. Burden Charles Butters

Jan 1, 1943

Page Foreword—H. Foster Bain........................ 9 Letter of Transmittal—F. Julius Fohs...................11

Jan 1, 1927

By Claude H. P. Lupis, John F. Elliott

WAGNERL described the thermodynamic behavior of a metallic solution consisting of the solute components 2, 3,... at very dilute concentrations in the solvent, 1, in terms of the excess partial molar free energy, or alternatively the logarithm of the activity coefficient. In the Taylor expansion of FiE, by neglecting the second- and higher-order differential terms, he obtained the excess partial molar free energy as a linear function of the composition:

Jan 1, 1965

Jan 1, 1941

EUGENE WESLEY SHAW, ? Washington, D. C.- (Written discussion?).-Paraffin earth is of especial interest because of the apparent difficulty of determining its chemical nature. I have submitted specimens to three chemists at different times with suggestions as to special tests that might he made. The results are indicated in the following reports:

Jan 1, 1919

By W. L. Zeigler

THE Galena mill of the Callahan Zinc-Lead Co. is of 150 tons daily [ ] capacity and is situated at Lake Gulch, 2 miles west of Wallace, Idaho. (Fig. 1. It was constructed during the summer of 1926, work having been started late in June and the plant placed in operation Oct. 15, following.

Jan 1, 1928

By R. W. Raymond

Jan 1, 1902

Discussion of the paper of Max Hebgen, presented at the Butte meeting, August, 1913, and printed in Bulletin No. 80, August, 1913, pp. 1910 to 1933. A MEMBER :-Have there been any definite studies made in the hydrology of this system ? That is to say, what is the total extent and area of the drainage or catchment basin above these plants ? What is the total annual precipitation, and what is the percentage of run off ? That is a very interesting question to engineers and a question engaging a great many, because, unfortunately, there is not the amount of information on that subject which there ought to be.

Jan 11, 1913

MINING METHODS W. J. COULTER, Chairman P. B. BUCKY, Vice-Chairman CLYDE E. WEED, Vice-Chairman ROBERT S. PALMER, Secretary Alluvial Mining CLINTON BERNARD O. B. PERRY NORMAN CLEAVELAND C. M. ROMANOWITZ R. B. EARLING J. B. STAPLER BENERE H. GRANTCHARLES THURMAN Open-Cut Mining Iron. A. D. CHISHOLM EARL E. RUNNER G. E. DIEHL G. E. LEVEQUE P. G. HARRISON SIMPSON RICHEY W. A. STERLING

Jan 1, 1943

[Instead of presenting his paper, as printed, Mr. Rice gave a brief illustrated lecture on the subject, the illustrations being largely maps of the coal fields in several parts of Europe, and graphic diagrams illustrating the production and consumption of coal throughout the world.

Jan 4, 1918