AMERICAN MATHEMATICAL SOCIETY. L. E. Dickson, professor of mathematics, University of Chicago, Chicago, Ill. MATHEMATICAL ASSOCIATION OF AMERICA. E. R. Hedrick, professor of mathematics, University of Missouri, Columbia, Mo. REPRESENTATIVE OF THE DIVISION OF FEDERAL RELATIONS. William Bowie, Chief, Division of Geodesy, United States Coast and Geodetic Survey, Washington, D. C. MEMBERS AT LARGE. Louis A. Bauer, director, department of terrestrial magnetism, Carnegie Institution of Washington, Washington, D. C. G. D. Birkhoff, professor of mathematics, Harvard University, Cambridge, Mass. Henry Crew, Fayerweather professor of physics, Northwestern University, Evanston, Ill. C. F. Marvin, Chief, United States Weather Bureau, Washington, D. C. Max Mason, research professor of mathematical physics, University of Wisconsin, Madison, Wis. E. F. Nichols, Nela research laboratory, National Lamp Works, General Electric Co., Cleveland, Ohio. M. I. Pupin, professor of electromechanics, Columbia University, New York City. G. W. Stewart, professor of physics and head of the department of physics, University of Iowa, Iowa City, Iowa. S. W. Stratton, Director, United States Bureau of Standards, Washington, D. C. Augustus Trowbridge, professor of physics, Princeton University, Princeton, N. J. COMMITTEES. American section, International Astronomical Union: Chairman, W. W. Campbell. American section, International Mathematical Union: Chairman, L. E. Dickson. American section, International Union of Scientific Radio Telegraphy (organized jointly with the division of engineering): Chairman, Louis W. Austin, head of United States Naval Radio Research Laboratory, Washington, D. C. Committee on algebraic numbers: Chairman, L. E. Dickson. Committee on atomic structure: Chairman, F. A. Saunders, associate professor of physics, Harvard University, Cambridge, Mass. Committee on celestial mechanics: Chairman, E. W. Brown, professor of mathematics, Yale University, New Haven, Conn. Committee on electrodynamics of moving media: Chairman, J. S. Ames, professor of physics and director physical laboratory, Johns Hopkins University, Baltimcre, Md. Committee on luminescence: Chairman, Ernest Merritt. Committee on mathematical abstracts: Chairman, L. E. Dickson. Committee on mathematical analysis of statistics: Chairman, H. L. Rietz, professor of mathematics and head of the department of mathematics, University of Iowa, Iowa City, Iowa. Committee on orbit theory: Chairman, A. O. Leuschner, professor of astronomy and director, students' observatory, University of California, Berkeley, Calif. Committee on parallaxes: Chairman, Frank Schlesinger, director, Yale University observatory, New Haven, Conn. Committee on photo-electric effects: Chairman, R. A. Millikan. Committee on physiological optics: Chairman, F. K. Richtmyer, professor of physics, Cornell University, Ithaca, N. Y. Committee on research methods and technique: Chairman, H. B. Williams, assistant professor of physiology, College of Physicians and Surgeons, Columbia University, New York City. Committee on quantum theory: Chairman, Max Mason. Committee on revolving fund: Chairman, Oswald Veblen. Committee on relation of elementary physics teaching to research: Chairman, H. G. Gale. Committee on acoustics: Chairman, G. W. Stewart. Committee on spectroscopy, eastern branch: Chairman of general committee and of eastern branch, Theodore Lyman. Western branch: Vice chairman of general committee and chairman of western branch, C. E. St. John, Mount Wilson Observatory, Carnegie Institution of Washington, Pasadena, Calif. Committee on theories of magnetism: Chairman, A. P. Wills, professor of mathematical physics, Columbia University, New York City. Committee on thermo and magneto electric effects: Chairman, Edwin H. Hall, professor of physics, Harvard University, Cambridge, Mass. Committee on X-ray spectra: Chairman, William Duane, professor of bio-physics, Harvard University, Cambridge, Mass. Committee on enlargement of functions of International Bureau of Weights and Measures: Chairman, S. W. Stratton. Subcommittee on wave-length standard for unit of length: Chairman, A. A. Michelson, professor of physics and head of the department of physics, University of Chicago, Chicago, Ill. Committee on utilization of United States Bureau of Standards facilities: Chairman, H. G. Gale. DIVISION OF ENGINEERING. (Engineering Societies Building, 29 West Thirty-ninth Street, New York City.) Chairman, Alfred D. Flinn. Vice chairman, Galen H. Clevenger. Secretary, William Spraragen. EXECUTIVE COMMITTEE. Chairman, Alfred D. Flinn; vice chairman, Galen H. Clevenger; Comfort A. Adams, F. G. Cottrell, D. S. Jacobus, H. Hobart Porter, Bradley Stoughton. MEMBERS OF THE DIVISION. Alfred D. Flinn, secretary, Engineering Foundation, 29 West Thirty-ninth Street, New York City. AMERICAN SOCIETY OF CIVIL ENGINEERS. Anson Marston, dean of the division of engineering, and director, Engineering Experiment Station, Iowa State College, Ames, Iowa. H. Hobart Porter, president, American Water Works & Electric Co., 50 Broad Street, New York City. George S. Webster, Delaware River Bridge Joint Commission, board of engineers, 1136 Widener Building, Philadelphia, Pa. AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS. Thomas Robins, president, Robins Conveying Belt Co., Park Row Building, New York City. Allen H. Rogers, mining engineer, 42 Broadway, New York City. Arthur L. Walker, professor of metallurgy, School of Mines, Columbia University, New York City. AMERICAN SOCIETY OF MECHANICAL ENGINEERS. John H. Barr, manager, Remington Typewriter Co., 374 Broadway, New York City. Arthur M. Greene, jr., professor of mechanical engineering, Rensselaer Polytechnic Institute, Troy, N. Y. D. S. Jacobus, advisory engineer, Babcock & Wilcox Co., 85 Liberty Street, New York City. AMERICAN INSTITUTE OF ELECTRICAL ENGINEERS. Comfort A. Adams, Lawrence professor of engineering, Harvard University, Cambridge, Mass. F. B. Jewett, vice president, Western Electric Co., 463 West Street, New York City. W. R. Whitney, director, research laboratory General Electric Co., Schenectady, N. Y. AMERICAN SOCIETY OF REFRIGERATING ENGINEERS. Walter Rautenstrauch, professor of mechanical engineering, Columbia University, New York City. AMERICAN SOCIETY FOR TESTING MATERIALS. George K. Burgess, chief, division of metallurgy, United States Bureau of Standards, Washington, D. C. J. A. Capp, chief, testing laboratory, General Electric Co., Schenectady, N. Y. AMERICAN SOCIETY OF HEATING AND VENTILATING ENGINEERS. F. Paul Anderson, director, American Society of Heating and Ventilating Engineers research laboratory, care of United States Bureau of Mines, Pittsburgh, Pa. ILLUMINATING ENGINEERING SOCIETY. Edward P. Hyde, director, Nela Research Laboratory General Electric Co., Nela Park, Cleveland, Ohio. WESTERN SOCIETY OF ENGINEERS. Arthur N. Talbot, professor of municipal and sanitary engineering, University of Illinois, Urbana, Ill. SOCIETY OF AUTOMOTIVE ENGINEERS. Henry M. Crane, consulting engineer, 44 West Forty-fourth Street, New York City. F. W. Davis, truck engineer, Pierce-Arrow Motor Car Co., Buffalo, N. Y. AMERICAN WELDING SOCIETY. Henry M. Hobart, consulting engineer, General Electric Co., Schenectady, N. Y. REPRESENTATIVE OF THE DIVISION OF FEDERAL RELATIONS. A. P. Davis, director, United States Reclamation Service, Washington, D. C. MEMBERS AT LARGE. Edward Dean Adams, engineer-financier, 71 Broadway, New York City. F. G. Cottrell, chairman, division of chemistry and chemical technology, National Gano Dunn, president, J. G. White Engineering Corporation, 43 Exchange Place, New York City. T. H. MacDonald, chief, United States Bureau of Public Roads, Washington, D. C. Van H. Manning, director, division of research, American Petroleum Institute, 15 West Forty-fourth Street, New York City. Paul D. Merica, superintendent of research, International Nickel Co., Bayonne, N. J. Charles F. Rand, mine owner, 71 Broadway, New York City. C. E. Skinner, manager, research department Westinghouse Electric & Manufacturing Co., East Pittsburgh, Pa. A. A. Stevenson, vice president, Standard Steel Works Co., Philadelphia, Pa. S. W. Stratton, director, United States Bureau of Standards, Washington, D. C. William R. Walker, assistant to the president, United States Steel Corporation, 71 Broadway, New York City. ADVISORY BOARDS. Advisory Board on Civil Engineering Research.-Sponsored by the American Society of Civil Engineers. Chairman, Robert E. Horton, consulting hydraulic engineer, Voorheesville, N. Y. Advisory Board on Mining and Metallurgical Engineering Research.-Sponsored by the American Institute of Mining and Metallurgical Engineers. Chairman, Advisory Board on Mechanical Engineering Research.-Sponsored by the American Society of Mechanical Engineers. Chairman, Walter Rautenstrauch. Advisory Board on Electrical Engineering Research.-Sponsored by the American Institute of Electrical Engineers. Chairman, F. B. Jewett. American Bureau of Welding.—Advisory Board on Welding Research, sponsored by the American Welding Society. Director, Comfort A. Adams. COMMITTEES, Committee on electric arc welding; chairman, Henry M. Hobart. Committee on resistance welding; chairman, Hermann Lemp, General Electric Co., Erie, Pa. Committee on standard tests for welds; chairman, F. M. Farmer, Electrical Testing Laboratories, Eightieth Street and East End Avenue, New York City. Committee on welding conference; chairman, Alfred S. Kinsey. Committee on welding wire specifications; chairman, C. A. McCune, Page Steel & Wire Co., Grand Central Terminal, New York City. Committee on training of welding operators; chairman, William Spraragen. Committee on specifications of steel to be welded; chairman, W. J. Beck, American Rolling Mill Co., Middletown, Ohio. Committee on thermit welding; chairman, J. H. Deppeler, Metal & Thermit Corporation, 92 Bishop Street, Jersey City, N. J. Committee on welded storage tanks; chairman, J. C. Lincoln, Lincoln Electric Co., Cleveland, Ohio. Committee on gas welding; chairman, S. W. Miller, Rochester Welding Works, Rochester, N. Y. Committee on welded rail joints; chairman, George K. Burgess. Advisory Board on Highway Research.-Chairman, Anson Marston; director, William K. Hatt, professor of civil engineering and director, materials testing laboratory, Purdue University; National Research Council, Washington, D. C. COMMITTEES. Committee on character and use of road materials; chairman, H. S. Mattimore, engineer of tests, Pennsylvania State Highway Department, Harrisburg, Pa. Committee on economic theory of highway improvement; chairman, T. R. Agg. Subcommittee on tractive resistance of roads; chairman, Comfort A. Adams. Committee on structural design of roads; chairman, A. T. Goldbeck, engineer of tests, United States Bureau of Standards, Washington, D. C. COMMITTEES OF THE DIVISION. Committee on publication: Chairman, Arthur M. Greene, jr. Committee on marine piling investigations (joint committee with division of biology and agriculture): Chairman, R. T. Betts, piling engineer, Robbins, Ripley Co., 50 Church Street, New York City. Subcommittee on publicity: Chairman, R. T. Betts. Subcommittee on engineering: Chairman, George J. Ray, chief engineer, Delaware, Lackawanna & Western Railway, Hoboken, N. J. Subcommittee on biology: Chairman, C. A. Kofoid, professor of zoology, University of California, Berkeley, Calif. Committee on fatigue phenomena of metals: Chairman, H. F. Moore, research professor of engineering materials, University of Illinois, Urbana, Ill. Committee on heat treatment of carbon steel: Chairman, Henry M. Howe. Committee on high-speed tool steels: Chairman, J. V. Emmons, metallurgist, Cleveland Twist Drill Co., Cleveland, Ohio. Committee on Neumann Bands: Chairman, Charles E. Munroe, National Research Council, Washington, D. C. Committee on hardness testing of metals: Chairman, A. E. Bellis, Bellis Heat Treating Co., New Haven, Conn. Committee on physical changes in iron and steel below the thermal critical range: Chairman, Zay Jeffries, Aluminum Castings Co., Cleveland, Ohio. Pulverizing committee (joint committee with milling committee of American Institute of Mining and Metallurgical Engineers): Honorary chairman, Robert H. Richards, emeritus professor of mining engineering, Massachusetts Institute of Technology, Jamaica Plain, Mass.; chairman, G. H. Clevenger. Committee on steel ingots: Chairman, W. P. Barba, 3107 Coulter Street, Philadelphia, Penn. Committee on substitute deoxidizers: Chairman, J. R. Cain, chemist, U. S. Bureau of Standards, Washington, D. C. Committee on uses of tellurium and selenium: Chairman, Victor Lenher, professor of chemistry, University of Wisconsin, Madison, Wis. Committee on molding sand: Chairman, R. A. Bull, consulting engineer, Sewickley, Pa. Committee on core losses: Chairman, A. E. Kennelly, professor of electrical engineering, Harvard University, Cambridge, Mass. Committee on electric insulation: Chairman, F. B. Jewett. REPRESENTATIVES OF THE DIVISION ON Committees of the American Society for Testing Materials. Committee A-8 on magnetic analysis: R. L. Sanford, physicist, U. S. Bureau of Standards, Washington, D. C. Committee for the investigation of sulphur and phosphorus in steel: J. H. Hall, metallurgical engineer, Taylor-Wharton Iron & Steel Co., High Bridge, N. J. Joint committee of bureau of mines and bureau of standards on rock-drill steels: Bradley Stoughton. DIVISION OF CHEMISTRY AND CHEMICAL TECHNOLOGY. Chairman, F. G. Cottrell. Vice chairman, Julius Stieglitz. EXECUTIVE COMMITTEE. Chairman, F. G. Cottrell; vice chairman, Julius Stieglitz; Wilder D. Bancroft, R. B. Moore, W. F. Hillebrand, Colin G. Fink. MEMBERS OF THE DIVISION. F. G. Cottrell, National Research Council, Washington, D. C. |