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CURRENT MATTERS Page Page New York Meeting, Feb., 1918 .... v 1918 Dues xxvii Meeting of Board of Directors.... vii Members in Military Service .... xxvii Resolution on Manganese viii Personal xxix Special Mission of British Minis- Positions Vacant xxx try of Munitions viii Engineers Available xxxi War Committee of Technical Forthcoming Meetings xxxii Societies ix Advertising Section Remodeled.. xxxiii Local Section News ix Library xxxiv Affiliated Student Societies xx Membership xxxviii The Women's Auxiliary xxi Biographical Notice of W. T. Hall lv Other Societies xxiii Institute Committees lvi Engineering Symbols ... xxvi Officers and Directors lxiv General Index xxvii

Jan 1, 1918

Jan 1, 1930

Jan 1, 1967

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. HADFEILD London, England PROF HANS 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 PROF TSUNASHIRO WADA Tokyo, Japan CHARLES D WALCOT Washingtion D.C.

Jan 1, 1917

YEAR OF ELECTION 1913 FRANK DAWSON ADAMS Montreal, Canada 1921. WILLIAM CUTHBERT BLACKETT Sacriston, Durham, England 1923 GELASIO CAETANI Washington, D C 1920. HENRY STURGIS DRINKER Merion Station, Pa 1921 FERDINAND FOCH Paris, France 1922. FEDERICO GIOLITTI . Torino, Italy 1888. HATON DE LA GOUPILLIERE Paris, France 1906 SIR ROBERT A. HADFIELD London, England 1921. FRANK WILLIAM HARBORD London, England 1921. HEINRICH O HOFMAN Cambridge, Mass 1917 HERBERT HOOVER . Washington, D C 1915 JAMES FURMAN KEMP New York, N. Y 1905 HENRI LECHATELIER Paris, France 1921. C. McDERMID London, England 1913 EZEQUIEL ORDONEZ Mexico City, Mexico 1909 ALEXANDRE POURCEL Paris, France 1911 ROBERT H RICHARDS Cambridge, Mass 1907 CHARLES D WALCOTT Washington, D C

Jan 1, 1923

By T. F. Witherbee

On .the 22d of November, 1879, white, iron unexpectedly ap peared while working the Cedar Point Furnace, Port Henry, N Y., on the following burden, calculated to turn out mill and foundry iron: Anthracite coal,. ., .. .. 8000 pounds. Connellsville coke,. ..1500 " Total,..4500 " Old Bed ore,........ 3750 " New Bed fine ore,. ..2000. " New Bed chunk ore,. .. 1000 " Kearnev hematite ore,.750 " Total,..... 7500 " Magnesian limestone,. 1665 " Common limestone,. ...835 " Total,........ 2500 " The production per week since making mill iron-—from September 1st, 1879, to date, seven weeks—was 412 gross tons. Ore was not immediately taken off, as nothing serious was looked for. The iron for the next week graded from No. 4 to white, and in six days the make was 2741/2 tons. At 10 p.m., Friday, the 28th, a slip of -14 feet occurred, and on Saturday, at 5 A.M., another of 3 feet on the south side and 7 feet on the north side took place. At this time it was found that the south side had been hanging for over a week—a fact which had not been reported. Throwing off the wind, to produce slips and reduce pressure, had been tried with no effect. The stock, as seen through the tuyeres, seemed to consist almost entirely of coal, with just enough infusible cinder to cement it into a mass through which the blast could not be forced. At 3.50 A.M., Sunday, the 30th, the first cinder seen in seventeen hours came into tuyeres Nos. 1, 2, 3, and 6. At 9.30 A.M. No. 3 was taken out to see if the stock

Jan 1, 1881

By T. F. Witherbee

ON the 22d of November, „1879, white iron unexpectedly appeared while working the Cedar Point Furnace, Port Henry, N Y., on the following burden, calculated to turn out mill and foundry iron: Anthracite coal, - 3000 pounds. Connellsville coke, - 1500 pounds. Total, - 4500 pounds. Old Bed ore, - 3750 pounds. New Bed fine ore, - 2000 pounds. New Bed chunk ore, - 1000 pounds. Kearnev hematite ore, - 750 pounds. Total, - 7500 pounds. Magnesian limestone, - 1865 pounds. Common limestone, - 885 pounds. Total, - 2500 pounds. The production per week since making mill iron-from September 1st, 1879, to date, seven weeks-was 412 gross tons. Ore was not immediately taken off, as nothing serious was looked for. The iron for the next week graded from No. 4 to white, and in. six days the make was 274 1/2 tons. At 10 P.M., Friday, the 28th, a slip of-..4 feet occurred, and on Saturday, at 5 A.M., another of 3 feet on the south side and. 7- feet on the north side took place. At this time it was found that the south side had been hanging for over a week--a fact which had not been reported. Throwing off the wind, to produce slips. and reduce pressure, had been tried with no effect. The stock, as seen through the tuyeres, seemed to consist almost entirely of coal, with just enough infusible cinder to cement it into a mass through which the blast could not be forced. At 3.50 A.M., Sunday, the 30th, the first cinder seen in seventeen hours came into tuyeres Nos. 1, 2, 3, and 6, At 9.30 A.M. No. 3 was taken out to see if the stock

Jan 1, 1881

A Report Of Current Activity In The Industry

Jan 4, 1951

By Sven A. Wehrwein

Leveraged buyouts are a fixture in today's market place. This paper will include comments on how LBO's are analyzed, structured and sold, as well as an overview on the present environment of LBO's.

Jan 1, 1990

Oklahoma Geological Survey, Faculty Exchange, Norman, Okla The Oklahoma Geological Survey was closed for lack of funds July 1, 1931. However, a list of publications "will be sent and requests for publications will be filled in so far as possible Address the above.

Jan 1, 1933

By Charles P. Williams

The successful production of zinc white or oxide on a commercial scale in this country dates from the issue of the patent of Samuel Wetherill, for the preparation of the material (November, 1855), and

By P. W. Allen

Here are the facts and the figures on how Tahawus cut costs and improved safety in solving their secondary breakage problem - A dropball crane entirely eliminated secondary blasting.

Jan 4, 1953

[Officers and Committees of the Society of Petroleum Engineers 1 Officers and Staff of the AIME 2 Officers of AIME Sections. Predominantly Petroleum in Membership 3 Alphabetical List of Members 5 Geographical List of Members 95 Advertisers' Index 122]

Jan 1, 1961

For the convenience of members who may be traveling from place to place, the Secretary has compiled a list of libraries or other places in the United States and foreign countries where MINING AND METALLURWGY or the Transactions may be consulted. This list will be sent to members if they so request.

Jan 1, 1925

By Henry Louis

It can scarcely be considered a matter of doubt, in the present state of our knowledge, that the existence of, at any rate, two wellmarked allotropic modifications of gold can be recognized, namely

Jan 1, 1895

By Robert W. Hunt

At the Atlanta Meeting of the Institute, October, 1895, I had the honor of presenting a paper on " Specifications for Steel Rails of Heavy Sections Manufactured West of the Alleghenies,"* in which, reasoning from the experience of Western railroads with the heavier-sectioned steel rails, I called atten-

Jan 1, 1898

POSITIONS VACANT No. 175. At a mine in Missouri: general designer on timber work for concentrator power house and general mill work; two draftsmen on all kinds of mine and null work; two tracers, good letterer and map tracer; one transit man for surveys who can plot his work accurately.

Jan 1, 1917

[Officers and Committees of the Society of Petroleum Engineers 1 Officers and Staff of the AIME 2 . Officers of AIME Sections Predominantly Petroleum in Membership 3 AIME Local Sections and SPE Regional Organization Maps 5 Alphabetical List of Members 7 Geographical List of Members 102 Advertisers' Index 133]

Jan 1, 1961

SALT LAKE CITY MEETING The One Hundred and Eighth Meeting of the Institute, for the presentation and discussion of technical papers, will be held at Salt Lake City, Utah, August 10 to 14, 1914. ALL PAPERS TO BE PRESENTED AT THIS MEETING MUST BE IN THE HANDS OF THE SECRETARY ON OR BEFORE MAY 31, 1914.

Jan 3, 1914

By R. S. Sinha

A properly designed pre- and post-grouting program aided with coherent construction sequence and adoption of flexible design approach provide a practical combination to solve excavation problems in a hostile rock environment: intensely fractured and sheared. The Pacheco Pumping Plant demonstrates the utility of an engineered grouting program.

Jan 1, 1984