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PENNSYLVANIA ANTHRACITE SECTION Executive Committee R. V. NORRIS, Chairman. CHARLES F. HUBER, Vice-Chairman, W. J. RICHARDS, Vice-Chairman, EDWIN LUDLOW, Vice-Chairman, ARTHUR H. STORRS, Vice-Chairman. CHARLES ENZIAN, Secretary-Treasurer, U. S. Bureau of Mines, Wilkes-Barre, Pa. DOUGLAS BUNTING, FRANK A. HILL, ALBERT B. JESSUP, RUFUS J. FOSTER, JOHN M. HUMPHREY, ROBERT A. QUIN. The Pennsylvania Anthracite Section held its second regular meeting at the Pottsville Club House, Pottsville, Pa., July 25,1914. The meeting was attended by more than 90 members and guests. Vice-Chairman W. J. Richards presided. Following an informal dinner, W. G. Whildin, Mining Superintendent, Lehigh Coal & Navigation Co., Lansford, Pa., presented a. paper on Steep Pitch Mining of Thick Coal Seams, illustrated by numerous drawings. This paper will be printed in the November number of the Bulletin. A lively discussion followed the reading of the paper.

Jan 10, 1914

PERSONAL (Members are urged to send in for this column any notes of interest concerning themselves or their fellow-members.) Members and guests who registered at Institute headquarters during. the period May 10 to June 10, 1915: Robert M. Keeney, Somersville, Conn. C. A. Moffett, Birmingham, Ala. Emilio Mosonyi, San Salvador, C. A: A. W. G. Wilson, Ottawa, Canada. Junjiro Nagazumi, Fukuoka, Japan. G. H. Glover, Jr., Short Hills, N. J. Francis R. Pyne, Elizabeth, N. J. R. W. Brock, Vancouver, B. C. F. C. Alsdorf, Los Angeles, Cal. J. L. W. Birkinbine, Philadelphia, Pa. W. J. Loring, London, England. Roy H. Allen, Jamesburg, N. J. R. A. Bull, Granite City; 111. Francis Andrew Thomson received the degree of Master of Science from the Colorado School of Mines at the recent commencement exercises. The subject of his thesis was Stamp Milling and Cyaniding.

Jan 7, 1915

By Charles E. Mauk, H. William Prengle, Robert W. Legan

A process breakthrough was needed for the complete destruction of total cyanide influent as high as 100,000 mg per 1, or below 1 mg per 1, to produce an influent with total cyanide below the limit of detection. The process uses ozone for the total destruction of cyanide and metal cyanide complexes. It was found that while ozone alone reacted with the iron cyanide complexes too slowly for practical application, ozone at slightly elevated temperature became more effective, and ozone with ultraviolet light became effective enough to permit the design of a successful system.

Jan 1, 1977

ENGINEERS AVAILABLE (Under this heading mill be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, technical graduate, aged 35, with experience as surveyor, sampler, assayer, and cyanide superintendent, desires position as engineer or cyanide operator.. No. 157. Member, technical graduate, aged 34, with 12 years' experience, including engineering, construction, and management of gold, silver, copper, and quicksilver mines, desires position of 'superintendent of gold or silver property. No. 158. Technical graduate, aged 24, with experience as mine surveyor and instructor in chemistry, desires position as instructor in mining. No. 159. Member, aged 29, technical graduate, with experience in exploration, prospecting, mining, concentration, smelting, and as assayer and chemist, engineer, and draftsman (smelter) in United States, Canada, Africa, South America., and Australia, desires to become connected with a firm of consulting engineers. Speaks Spanish. No. 1130.

Jan 11, 1914

C. M. GARLAND,§ Chicago, Ill. (written discussion 11).-7--In the development of Mr. Traer's method for the low-temperature coking of Illinois coals, after the principles laid clown by Prof. Parr, it was soon demon-strated that, in order to yield a product of uniform volatile content, the coal must be coked in thin layers, and consequently must be handled in comparatively small volumes. This means, in the first place, that great care must he observed in the design of the coking chambers to prevent the loss of the products of distillation, and, in the-second place, that labor-saving devices must be utilized to the greatest possible extent in order to reduce the cost of handling.

Jan 12, 1918

Coal Division Industrial Minerals Division Minerals Beneficiation Division Mining, Geology and Geophysics Division Council Will Mitchell, Jr, Chairman (MBD), Kenneth L Cook, Vice-Chairman (MGGD). Edward L Clark (MGGD), Raymond B Ladoo (Ind Min Div), Sandford S Cole (Ind Mm Div), Norman L Weiss (MBD), C T Hayden (Coal), H F Yancey (Coal), Clayton G Ball (MED), P De Bruyn (MIED), Arnold Buzzalini, Secretary, AIME, 29 West 39th Street, New York 18, N Y Mining Branch Advisory Committee Will Mitchell, Jr, Chairman, Grover J Holt, J B Morrow, J L Gillson, Edward G Fox, S S Cole, Roger V Pierce, Norman L Weiss. H C Weed. J R Van Pelt

Jan 1, 1956

On October 20, 1964, in his Waldorf Towers suite, death came to Herbert Clark Hoover, 31st President of the United States. At his bedside were his two sons, Allan A. and Herbert Hoover, Jr. Many years of humanitarian and public service earned him the gratitude of millions here and abroad. The Nation mourned his death. For the mining fraternity and AIME in particular, the life of Herbert Hoover held particular meaning. During the years from 1895 to 1914 when he was actively engaged in mining, he conducted himself with extraordinary competence, energy and integrity. In the years following, when his qualities of administration and leadership literally forced him into the limelight, he continued his interest and lent his talents for the benefit of the engineering profession.

Jan 11, 1964

By Jack Parker, Bert Caverson

More than 6000 resin-anchored bolts have been installed at the White Pine mine, and their performance has proven excellent in both pull tests and "beam" building. With its improved reliability, resin anchorage will permit a more scientific approach to the design of roof bolting systems, and this should ultimately result in both better support and reduced costs. The White Pine mine lies five miles south of Lake Superior in Ontonagon County. Mich. The orebody occurs in gently dipping upper Keweenawan sediments midway between the Porcupine Mountains and the Bergland Hills, both of which are ranges of steeply dipping Keweenawan extrusives and intrusives.

Jan 1, 1971

By Murray F. Hawkins, Marion L. Kimmel

sage' appears to have been the first (1933) to design a rolling ball viscosimeter for the express purpose of measuring the viscosity of oils with natural gas in solution, i.e., under reservoir conditions. In 1940 Hocott and Buckley' further refined the rolling ball instrument in both design and method of operation, and their instrument, known as the Humble type, was the forerunner of present day viscosimeters used in petroleum production and research laboratories. They also initiated the technique of charging the viscosimeter with a sample directly from a bottom hole sampler. In 1948 the committee on engineering research 01 the Petroleum Division of the AIME in Part 3 (1) of

Jan 1, 1955

By Walter S. Landis

The earliest example of attempting to form finely-divided materials into larger masses for better adaptation to commercial use mas probably the briquetting of peat and lignite-waste at Paris by the use of a clay binder. It was from this attempt that our word briquette has arisen (Fr. la brique), the formed masses being shaped similar to ordinary bricks. This term does not, however, lend itself to the many shapes of such formed material as are now being produced, as few of them, aside from some of the European brown-coal products, bear any resemblance to the shape of that well-known article. The

Jan 1, 1913

EXECUTIVE COMMITTEES OF LOCAL SECTIONS New York L. W. FRANCIS, Chairman. WILLARD S. MORSE, Vice-Chairman. THOMAS T. READ, Secretary, Woolworth Bldg., New York, N. Y. P. A. MOSMAN; Treasurer. LOUIS D. HUNTOON. WILLIAM A. POMEROY Boston HENRY L. SMYTH, Chairman. ALFRED C. LANE, Vice-Chairman. AUGUSTUS H. EUSTIS, Secretary-Treasurer, 131 State St., Boston, Mass. ROBERT H. RICHARDS, ALBERT SAUVEUR. Columbia FRANK A. ROSS, Chairman. RUSH J. WHITE, Vice-Chairman. LYNDON K. ARMSTRONG, Secretary-Treasurer, P. O. Drawer 2154, Spokane, Wash. FREDERIC KEFFER, FRANCIS A. THOMSON.

Jan 1, 1915

PERSONAL (Members are urged to send in for this column any notes of interest concerning themselves or their fellow-members.) Members and guests who registered at Institute headquarters during the period June 10 to July 10: J. C. Ralston, Spokane, Wash. E. P. Ashmore, So. Porcupine, Ont., Can. William H. Yeandle, Jr., Mexico City, Stuart Croasdale, Denver, Colo. Mexico. W. E. Hopper, Houghton, Mich. W. C. Minsch, Mexico City, Mexico. D. W. Brunton, Denver, Colo. H. V. Winchell, Minneapolis, Minn. Fred Crabtree, Pittsburg, Pa. W. G. Swart, Denver, Colo. Robert S. Lewis, Salt Lake City, Utah. D. F. Schindler, Madison, Wis. Noel Cunningham, Timmins, Ont., Can E. R. Pettebone has just been elected a Trustee of the Pennsylvania State College, being supported by the votes of the delegates of the Pennsylvania Anthracite Local Section of the Institute and the Engineers' Society of Northeastern Pennsylvania.

Jan 8, 1914

AS you have been able to observe, I have up to the present demonstrated as, well as I knew how in writing the art of casting- and the methods of making moulds and of baking them; then the arrangements of the furnaces for melting the materials, including those made for melting by reverberation of flames or with bellows and charcoal, and the hearth, basket, ladle, and other similar instruments customary in such operations. Now I wish to show you how to bring to their conclusion the works for which these instruments are made, and show

Jan 1, 1942

(Members are, urged to send in for this column any notes of interest concerning themselves or their fellow-members.) Members and guests who registered at Institute headquarters during the period April 10 to May 10; I. N. Knapp, Ardmore, Pa. E. P. Mathewson, Anaconda, Mont. Herbert B. Cox, New York, N. Y. H. B. Barling, New York, N. Y. A. McLintock, Brooklyn, N. Y. M. M. Thompson, Morsemere, N. J. Heinrich Ries, Ithaca, N. Y. Howland Bancroft, Denver, Colo. R. M. Catlin, Franklin Furnace, N. J. John H. Adams, Birmingham, Ala. Percy E. Barbour, Candor, N. C. Henry D. Boddington, London, England. A. D. R. Galloway, Qruro, Bolivia. William J. Cox, Denver, Colo. M. K. Rodgers, Westgate, Cal. W. J. Morrison, Toronto, Canada. W. J. Richards has been elected President of the Reading. Coal & Iron Co., succeeding the late George F. Baer.

Jan 6, 1914

By S. H. Shepard

During the past year, a number of significant events have occurred in the nuclear industry. These include a surge in nuclear power plant orders, delays in nu- clear plant licensing and construction, increased environmental concern and the new Atomic Energy Commission nuclear fuel policy. These events, particularly the AEC stockpile release policy, have lead us to take this opportunity to update National Nuclear Corp.'s (NNC) appraisal of the outlook for the U.S. uranium industry.

Jan 10, 1972

By Clemens Jones

The difficulties attending the reduction of ferric sulphate in the determination of metallic iron by the method of Marguerite, are often serious, and affect time, patience and accuracy. They depend upon the condition and purity of the zinc used, the state of saturation of the solution, acidity, and temperature. D. J. Caruegie (Chem. News, lvii., No. 1481), says that ferric solutions are instantaneously reduced by the use of zinc-dust. But there are obvious objections to its employment in quantitative work. Dr.

Jan 1, 1889

By Edward R. Mueller

The application of a simple analog computer constructed in a home workshop has registered a 10% to 15% gain in truck productivity at the mammoth Pima mine, located 35 km (22 miles) south of Tucson, Ariz. The newly installed dispatching board enables the truck control foreman to make near-optimum dispatching decisions and to monitor each individual truck, identifying any that are off schedule.

Jan 8, 1977

By R. W. Raymond

I desire to call the attention of members of the Institute to a new method of plotting and determining faults in mineral deposits, suggested by Prof. Hanns Hoefer, lately of the Mining School of Przi-

Jan 1, 1882

Coal Division Industrial Minerals Division Minerals Beneficiation Division Mineral Economics Division Mineral Industry Education Division Mining, Geology and Geophysics Division MINING BRANCH AND DIVISIONS OFFICERS AND COMMITTEES Council Ralph E Kirk, '55, Chairman (Coal). C M Cooley, Secretary, M D Cooper, '56 (Coal), Harold Bannennan. '55 (Ind Min Div ). R C Stephenson, '56 (Ind Min Div ) , E P Pfleider, '55 (MGGD) . J D Forrester. '56 (MGGD) , Donald W Scott, '55 (MBD). S D Michaelson, '56 (MBD). J K Richardson (MED). J R Van Pelt, Jr (MIED) COAL DIVISION Established as a Division September 20, 1929 M D Cooper. Chairman H F Yancey, Chairman-elect David R Mitchell, Secretary-Treasurer Professor of Mining The Pennsylvania State University State College. Pennsylvania

Jan 1, 1954

By Henry M. Howe

The present paper aims to present in brief the results of Tetskichi Mukai's* studies of the remarkable changes in the properties of manganese-steel caused by changes in the rate of cooling, together with some inferences of my own. Manganese-steel may vary greatly in composition ; that containing from 10 to 13 per cent. of manganese has hitherto reached the widest use. In this paper I consider manganese-steel of about this composition only. To distinguish common steel from manganese-steel, I speak of the

Jan 1, 1893