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C. H. MATHEWSON, Chairman SAM TOUR, Past-chairman W. A. SCHEUCH, Vice-chairman T. S. FULLER, Vice-chairman W. M. CORSE, Secretary-Treasurer 810 Eighteenth St., N. W. Washington, D. C. Executive Committee J. L. CHRISTIE ARTHUR PHILLIPS E. H. Dix, JR. GUY C. RIDDELL W. M. PRIRCE J. WALTER SCOTT' A. J. PHILLIPS' H. M. WILLIAMS EL M. WISE

Jan 1, 1932

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

Jan 1, 1927

Jan 1, 1892

By V. S. Swaminathan

This year, Great Britain is looking back over a century to August 14, 1850, the day when the first "Act for the Inspection of Coal Mines" was passed in that country, an act which signaled the end of over two hundred years of hitherto uncontrolled and dangerous mining practices.

Jan 11, 1950

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Jan 1, 1938

Jan 1, 1943

By J. Ostachowicz, B. Holynska, M. Lankosz

The paper presents an analyzer and the method for the continuous determination of weight percentage of ore grains with diameter smaller than 75 pm in mineral slurries. The method is based upon the measurement of characteristic x-rays of copper excited by primary radiation of two different energies 16.5 keV and 60 keV from Pu238 and Am241 sources respectively. Additionally the backscattered primary radiation is measured in order to correct the variations of the solids content in the slurry.

Jan 11, 1979

Jan 1, 1957

TECHNICAL COMMITTEES Iron and Steel JOSEPH W. RICHARDS, Chairman. J. E. JOHNSON. Js., Vice-Chairman. ARTHUR S. CALLEN, Secretary, 453 Chestnut St., So. Bethlehem, Pa. SUB-COMMITTEES IRON ORE DWIGHT E. WOODBRIDGE. Chairman. ERNEST F. BURCHARD, WILLIAM KELLY. CHARLES F. RAND, FELIX A. VOGEL. BLAST FURNACES H. A. BRASSERT. Chairman. WILLIAM H. BLAUVELT, AMBROSE N. DIEHL, JAMES GAYLEY, RICHARD V. McKAY.

Jan 10, 1915

IRON AND STEEL DIVISION Established as a Division February 22, 1928 K C. McCutcheon, Chairman T. L. Joseph, Past Chairman J B Austin, Vice-Chairman E K Miller, Vice-Chairman T. J. McLoughlm, Vice-Chairman Ernest Kirkendall, Secretary-Treasurer CO M M I T T E E S EXECUTIVE J. A. Bowers '54 J. S. Marsh '55 R. W. Campbell '54 D. L. McBride '53 Walter Carroll '55 G. B. McMeans '53 K. L Fetters '53 F. L. Toy '54 H. M. Griffith '55

Jan 1, 1952

Jan 1, 1936

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Jan 1, 1938

Jan 1, 1940

The John Fritz Medal for the year 1917 has been awarded to Professor Henry Marion Howe for his investigations in metallurgy, especially in the metallography of iron and steel. Record of the John Fritz Medal. The John Fritz Medal Board of Award has published a book giving a history of the Medal, the Rules of Award, biographical notices of the medallists illustrated with portraits, etc. This beautiful book, designed, engraved and printed by Bartlett Orr Press, New York, may be obtained by addressing the Secretary of John Fritz Medal Board of Award, Engineering Societies' Building, New York. Price $3 per copy.

Jan 3, 1917

PROF RICHARD ÅKERMAN Stockholm, Sweden PROF RICHARD BECK Friberg, Germany ANDREW CARNEGIR New York, N.Y. DR. JAMES DOUGLAS New York, N.Y. PROF HATON DE LA GOUPILLIERE Paris, France SIR ROBERT A. HOFFER Leoben, Austria PROF HENRI LOUIS LE CHATELIER Paris France M FLORIS OSMOND Paris, France ALEXANDRE POURCEL Paris, France JOHN E. STEAD Middlesborugh, England DR. ING H. C. EMIL SCHROEDTER Dusseldorf, Germany JAMES M. SWANK (Associate) Philadelphia, Pa. PROF DIMITRY CONSTANTIN TSCHERNOFF St Petersburg, Russia CHARLES D WALCOT Washingtion D.C.

Jan 1, 1910

Members of Fifty Years or More Lawrence Addicks '02 T H Aldrich '98 Walter H Aldridge '89 Eugene Ant. '99 George H Ashley '99 R M Atwater, Jr '97 James B Bailey '00 Samuel Barker, Jr '00 John F Berry '93 Charles A Bohn '93 W S Boyd '02 H C Boynton '01 H A Brassert '99 Arthur C Brinker '01 James F Brophy '01 Davenport Brown '02 Donald C Brown '01 Victor B Buck '98 Frederick Burbidge '87 Frederick P Burrall '97 John Cabot, Jr '99

Jan 1, 1952

Organization Place Date International Mining Convention (Auspices, Van- 1919 couver Chamber of Mines) Vancouver, B. C. Jan. 8-10 American Institute of Consulting Engineers, Inc... New York, N. Y. Jan. 13 American Society of Civil Engineers New York, N. Y. Jan. 15-16 Institute of Chemical Engineers Chicago, 111. Jan. 15-18 American Wood Preservers Association St. Louis, Mo. Jan. 28-30 American Society of Heating and Ventilating Engineers New York, N. Y. Jan. 28-30 Automotive Engineers New York, N. Y. Feb. 4-6

Jan 1, 1919

By S. H. Ash

Foreman remains key man in any safety program, as men attracted to the industry must be trained in safety thinking. Diesel engines underground aid safety and widespread use of roof bolting is reflected in reduction of roof-fall fatalities.

Jan 2, 1953

EXECUTIVE COMMITTEE OF THE BOARD OF DIRECTORS W M Peirce, Chairman Philip Kraft, Vice-Chairman Francis B Foley Hjalmar W Johnson Thomas G Moore ENDOWMENT Cleveland E Dodge, Chairman C F Kelley John D Bradley Harvey S Mudd J Coulter W A Sinsheimer N Eavenson Wilfred Sykes C Jackling Clyde E Weed

Jan 1, 1951

Jan 1, 1948