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For the year ending February, 1919 PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. PAST PRESIDENTS L. D. RICKETTS NEW YORK, N. Y. PHILIP N. MOORE ST. Louis, Mo. FIRST VICE-PRESIDENT C. W. GOODALE BUTTE, MONT. TREASURER GEORGE C. STONE, NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 12, 1918

Jan 1, 1890

No. 243. Superintendent for operating Virginia, manganese mine. One experienced with wet concentration, labor and general management. Opportunity for advancement for right man. Write fully concerning experience, references and salary expected to start.

Jan 11, 1917

By J. T. Richards

ELASTIC constants, including E-modulus, G-modulus, Poisson's ratio, and compressibility, are affected by temperature, but not necessarily to the same degree nor in the same direction. Theoretical expressions relating the temperature coefficients for the various elastic constants have been introduced by Gruneisen. In considering the thermoelastic characteristics

Jan 1, 1955

Jan 1, 1968

A Foreign Policy To Protect Our Resources AGENCIES are being established in Washington to marshall raw materials and industry to build the machines of war. For the third time in less than a generation we are digging into nature's treasure trove for metals and fuels indispensable for war but equally indispensable to the peace of future generations of Americans.

Jan 1, 1951

Meeting; May 23, 1913.-On the petition of 25 or more members residing in the different localities, the following Local Sections were established: St. Louis Local Section. Southern California Local Section; Denver Local Section. It was voted to publish a statement in regard to tours in connection with the Butte meeting, which-is published on p. i of this Bulletin. Mr. Edward Caldwell was appointed as expert advisor. on printing. The report of the Committee on Printing advising certain changes in methods of printing. was accepted.

Jan 6, 1913

The Keweenaw Peninsula in the Upper Peninsula of Michigan is plagued with abandoned prospectors' test pits and mine shafts, the result of exploration and operation of mines for over 100 years. The Fort Wilkins State Park in Keweenaw County alone has three open prospectors' pits within its boundaries, protected by wooden fences and maintained by the (Michigan State Conservation Department as a tourist attraction.

Jan 1, 1967

By A. B. Parsons

This YEAR BOOK, which is sent to every member, contains the roster of officers and the principal standing committees, brief summaries of the proceedings of the Annual Meeting and of the regional and divisional meetings, abstracts of papers published during the year, and a classified list of TECHNICAL PUBLICATIONS and CONTRIBUTIONS, as well as an index of all material published by the Institute in 1936 in these separate forms, in TRANSACTIONS and in MINING AND METALLURGY, the monthly magazine

Jan 1, 1937

PROF RICHARD ÅKERMAN Stockholm, Sweden DR FRANK DAWSON ADAMS Montreal, Canada ANDREW CARNEGIR New York, N.Y. PROF HATON DE LA GOUPILLIERE Paris, France SIR ROBERT A. HADFEILD London, England HERBERT C. HOOVER Leoben, Austria JAMES FURMAN KEMP New York, N.Y. PROF HENRI LOUIS LE CHATELIER Paris France EZEQUIEL ORDONEZ Mexico City, Mexico ALEXANDRE, POURCEL Paris, France PROF RICHARD H, RICHARDS Boston Mass. JOHN E. STEAD Middlesborugh, England PROF DIMITRY CONSTANTIN TSCHERNOFF St Petersburg, Russia PROF TSUNASHIRO WADA Tokyo, Japan CHARLES D WALCOT Washingtion D.C.

Jan 1, 1923

Plans for a multi-million dollar uranium mill in southeastern Utah were confirmed by Vanadium Corp. of America officials. Atomic Energy Commission has been dickering with two private firma for mill construction at Hite, Utah and Shiprock, N. Mex. Colorado Fuel & Iron has contracted to purchase all manufacturing business, plants and inventories of John A. Roebling's Sons Co., through a wholly owned subsidiary. CF&I currently the nation's ninth largest steel producer, will operate the new subsidiary under the Roebling name.

Jan 1, 1953

The testimony given before the Patent Committee of .the House of Representatives in connection with the bills to establish the Patent Office as an independent bureau, to establish a United States Court of Patent Appeals, and to increase the force and salaries in the Patent Office, has been completed. These bills were originated by the Patent Committee of the National Research Council and have received almost universal approval. The Committee of the House of Representatives is favorable to what this Committee of the Research Council is trying to accomplish but the proverbial inertia of Congress toward the Patent system needs outside stimulus.

Jan 12, 1919

YEAR OF ELECTION 1913. FRANK DAWSON ADAMS Montreal, Canada. 1921. WILLIAM CUTHBERT BLACKETT Sacriston, Durham, England. 1923. GELASIO CAETANI Rome, Italy. 1920. HENRY STURGIS DRINKER Merion Station, Pa. 1921. FERDINAND FOCH Paris, France. 1922. FEDERICO GIOLITTI Torino, Italy. 1906. SIR ROBERT A. HADFIELD London, England. 1921. FRANK WILLIAM HARBORD London, England. 1917. HERBERT HOOVER Washington, D. C. 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. 1891. DR. ING. H. C. EMIL SCHROEDTER Mehlem a Rhein, Germany.

Jan 1, 1923

EVERY mould, of whatever kind it may be, must have an entrance appropriate to the material if it is wished to fill its inner space with bronze or other metal. It is likewise necessary that it have vents, that is, air holes, for there is nothing that is not full of air even though it be called empty. Now, molten bronze is a material that has an immediate effect because of its heaviness, and because it is as hot as fire or even hotter,

Jan 1, 1942

By M. E. Kukura, L. G. Stevens

As described in a previous presentation and in various patents, the Minerals Sciences Div. of UOP, Inc., has developed a modified reduction roast ammonia leach process for nickel laterites. This process gave considerable improvement in extraction over the conventional Caron approach as practiced in Cuba, Australia, and the Philippines. This greatly improved response was obtained with a wide variety of ores. This paper describes the pilot plant flowsheet and reviews the design features unique to the UOP process. Operating results from pilot plant campaigns are compared with bench scale results. Operating problems and their solutions are also discussed.

Jan 1, 1976

COLORADO SCHOOL OF MINES On February 21, 1918, the students of the Colorado School of Mines who are members or have applied for membership in the Institute re-organized the "Scientific Society of The Colorado School of Mines,? which has for its .purpose the study and discussion of mining problems. Its meetings will be held on the first and third Wednesdays of each month, in Guggenheim Hall. Following are the officers R. W. GIBSON, President, W. A. CONLEY, Vice-president, F. L. SERVISS, Sec'y.-Treas. At present there are 62 members, seven of whom are Faculty members. F. L. SERVISS, Secretary.

Jan 5, 1918

By H. K. Shearer

Oil production in South Arkansas in 1936, estimated to have totaled 10,654,940 bbl., showed a decline of 484,400 bbl., or a little more than 4 per cent from 1935. There are no proration restrictions, as practically all wells reached the pumping stage years ago. Although a new shallow field was discovered in Nevada County, and a deep producing horizon

Jan 1, 1937

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

Three. meetings for the presentation and discussion of papers were held in 1914, as follows: The 107th Meeting, including the Annual Business Meeting, in New York, Feb. 16 to 19; the 108th Meeting, Aug. 10 to 14, in Salt Lake City, and the 109th Meeting, Oct. 8 to 10, in Pittsburgh, Pa., under the auspices of Iron and Steel Committee, Committee on Coal and Coke, Committee on Petroleum and Gas, Committee on Non-Metallic Minerals. Local Sections ' Three new local sections were established during the year, namely; / Pennsylvania Anthracite Section, Chicago Section, and Utah Section.

Jan 1, 1917

By A. D. Taylor

In recent years there has been an increasing effort to attract students into engineering. Obviously, the effort is necessary because young people find the image of the engineer unattractive. Some of the things they find unattractive are real, some are not, and part of the problem is too little knowledge of the field. First, I would like to comment on some of the ideas which appear to be justified. Engineering is a difficult course of study. True, and nothing can or should be done to change this. The education is continually being improved, but it is unlikely to be made easier.

Jan 1, 1970