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Jan 1, 1936

By T. Egleston

SOME months ago samples of black oxide of copper and of pig copper from Colorado were sent to me to examine for arsenic and

Jan 1, 1882

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-J. E. JOHNSON, JR.,* chairman. Finance-J. V. N. Dorm, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman.

Jan 5, 1919

The Howe Memorial Lecture, in memory of Henry Marion Howe, Past President of the Institute, was authorized in April, 1923, as an annual address to be delivered by invitation under the auspices of the Institute by an individual of recognized and out¬standing attainment in the science and practice of iron and steel metallurgy or metallography, chosen by the Board of Directors

Jan 1, 1939

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE, ST. Louis, Mo. PAST 'PRESIDENTS WILLIAM L. SAUNDERS NEW YORK,. N. Y. L. D. RICKETTS NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. 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 11, 1917

A Progress Report of The Engineering Foundation, which is a history of the Foundation and a report of its activities, has been printed. A limited number may be obtained by members of the Institute by writing to the office of the Institute or to the Secretary of the Foundation.

Jan 11, 1919

[Allen -Sherman-Hoff Pump Co Third Cover Dee Carlton Brown. Advertising Allis-Chalmers Mfg. Co 228, 228,241 Compton Advertising, Inc. American Cyanamid Co James J. McMahon. Inc. American Manganese Steel Div., American Brake Shoe Co; 246 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co 229 Kenyon & Eckhardt Inc.]

Jan 1, 1952

In the mile-high city of Denver. Colo., the mining industry's political adjunct, The American Mining Congress, held its annual meeting, September 27-30. The Honorable Maurice H. Stans, in what became the keynote address of the meeting, spoke of a "common interest in a basic reality of 1970, a reality involving ecology, energy, raw materials and natural resources.”

Jan 1, 1970

The Second Annual Safety First Dinner to the Liberty Bell Mine Crew was held on Apr. 7, 1916, in recognition of the second year without fatal accident and with few serious accidents. The address of the evening was given by the Rev. Edward Burns Martin, on "Safety and Citizenship," and was followed by informal talks on safety, health and citizenship.

Jan 6, 1916

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE ST. Louis, Mo. PAST PRESIDENTS WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. 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 5, 1917

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 METALLURGY or the Transactions may be consulted. This list will be sent to members if they so request.

Jan 1, 1925

By Eugene Guccione

Upholding individual rights-and abhorring power politics-a newly formed group of young professionals is developing private nongovernmental solutions to environmental problems.

Jan 4, 1976

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE, ST. Louis, Mo. PAST PRESIDENTS WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS, NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS, NEW YORK, N. Y. 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 7, 1917

By J. M. Silliman

ISOMETRICAL drawing and clinographic projection are generally preferred to perspective drawings for representation of small objects or complicated mechanisms, as they present to the eye a sufficiently accurate picture of the object, while they possess great advantages over perspective in the simplicity and rapidity of execution, and the facility they give for taking measurements directly from the drawings.

Jan 1, 1882

By S. J. Harrison

One of the operations of the J. L. Shiely Co. is quarrying in a hard granite gneiss with intrusions of gabbro or trap. During the winter of 1948-1949 the quarry ramp was lowered about 30 ft and during the 1949 season practically all drilling was done from the quarry floor, developing a face from 72 to 83 ft for the entire quarry area. The performance and cost table shows our record for 1948 and 1949.

Jan 9, 1950

By T. R. McMillan, R. D. English

An engineer's education is a lifetime pursuit, a fact which the Society of Mining Engineers of AIME recognizes through its Education Board. Created in 1977 and comprised of six standing committees, the Board addresses several broad areas of responsibility: Continuing education; professional accreditation; statistical reporting; career guidance; scholarships; and educational publications.

Jan 9, 1979

By John V. Beall

WHEN asked a few weeks ago if we wished to visit the Coors plant at Golden, Colo., we agreed with alacrity being well acquainted with the high quality of Coors beer and having heard that the company was most liberal about sampling privileges. Instead of a brewery, we found ourselves in a pottery, the Coors Porcelain Co., owned and operated by the firm of beer fame. Our apparent disappointment was dispelled as the wonders of the porcelain products were unfolded.

Jan 2, 1953

By Clement K. Chase, F. Milton Lewis, Roshan B. Bhappu

Abstract-In this paper an attempt has been made to review the cost trends in producing copper by conventional milling, smelting and hydrometallurgical means during the last five years. The primary objectives of this cost analysis are to provide a base for future projections as well as to indicate which cost items are more volatile in their influence on overall cost of producing copper.

Jan 4, 1978