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Jan 1, 1952

Jan 1, 1934

Jan 1, 1947

Jan 1, 1922

Jan 1, 1978

The Institute conducts jointly with the American Society of Civil Engineers, American Society of Mechanical Engineers, and American Institute of Electrical Engineers, certain activities as listed below, and is joint owner with them of certain properties.

Jan 1, 1923

E. C. Pechin, Cleveland, 0.: Will you indulge me a moment, Mr. President, to narrate an incident which is recalled by your admirable address?

Jan 1, 1895

By PDF

C. 0. FAIRCHILD, Washington, D. C. (written discussion*).-Referring to the paragraph entitled "Effect of change in temperature of absorbing glass on its transmission," Dr. Foote and the writer have been using, since

Jan 11, 1919

By William P. Blake

The occurrence of siderite in beds of considerable thickness in the clay formations of Martha's Vineyard, Mass., may have some economical importance, and is at least interesting in a scientific point of view.

Illinois Mining Institute, 224 South Michigan Ave , Chicago, Ill. B. E Schonthal, Secretary. In 1929, 1930 and 1931, the Institute published the Proceedings of its meetings The volumes of the Proceedings are a record of the papers and discussions presented at the two meetings each year and deal with coal mining in Illinois. The Proceedings will be sent to those particularly interested on receipt of sufficient postage to cover mailing

Jan 1, 1933

[Allen-Sherman-Hoff Pump Co Third Cover Dee Carlton Brown,-Advertising Allis-Chalmers Mfg. Co. 8 Compton Advertising, Inc. American Cyanamid Co. 18,19 James J. McMahon. Inc. American Manganese Steel Div. American Brake Shoe Co. 20 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. Kenyon & Eckhardt Inc. Atlas Powder Co. 11 The Aitken-Kynett Co..]

Jan 1, 1952

Only the coal of the Sunnyside district in Carbon county is coked. Two companies, the Utah Fuel Company and the Columbia Steel Corporation, operating adjoining mines at Sunnyside and Columbia, produce coke. The Utah Fuel Company has 81 9 beehive coke ovens at Sunnyside. Only 350 ovens are being operated at the present time, largely because the smelters which had been using Sunnyside coke changed their equipment from blast furnaces to reverberatory furnaces

Jan 1, 1925

Meeting, Mar. 28, 1913.-The following Committees were appointed : Library ; Membership; Precious and Base Metals ; Papers and Publications ; Economic Geology ; Iron and Steel ; Increase of Membership; Stocking Pamphlets and Publications; and the following representatives: Joint Conference Committee of the four National Engineering Societies; General Committee in Charge of the International Engineering Congress, 1915. Delegates were appointed to attend the International Geological Congress and the Fifth Conservation Congress. These appointments are listed on pp. xxxvii. to xxxix.

Jan 4, 1913

James W. Neill, Salt Lake City, Utah: Mr. Keller observes, in his interesting paper, that his copper mattes show a constant tenor of 21 to 23 per cent. sulphur; and continues," Many of these analy-

Jan 1, 1894

By J. B. Mitchell

The intelligent selection of comminution systems for industrial minerals requires a broad background of comminution experience. At the same time a thorough knowledge of the specific mineral occurrence, the applicable process and the product end use is required. To illustrate the different ways to process potash ores three flow sheets have been selected for presentation.

Jan 1, 1970

WHERE "MINING AND METALLURGY" OR THE TRANSACTIONS MAY BE CONSULTED 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, 1923

Time Now For Thinking In these turbulous times a natural restiveness is created among the younger men of the mining profession. Many of them are veterans of World War II and the question is raised in their minds as to whether or not to go back into military service. There is time to think about this question now and it is advisable to do so in order that snap decisions may be avoided if war is declared.

Jan 2, 1951

IT is certainly fitting and proper that the shortage of engineers should be the topic of frequent editorials in the professional magazine of mining engineers, but many of you are directly concerned with another shortage; namely, the shortage of skilled miners. It is often said that the military organization is built around the noncommissioned officer and it is similarly true that the mining organization depends for its production on the skilled miner-the NCO of the mining industry.

Jan 10, 1951

By William P. Blake

The magnetic iron ores of the Rees & Wilder tract, Unaka Mountains, East Tennessee, and North Carolina, so far as examined by me, are peculiar in containing considerable quantities of the mineral zircon in dark red-brown crystals, ranging in size from one-tenth of an inch, or less, to five-tenths of an inch in length. As zircons are decomposed by fusion with alkalies, the constituents may exert some favorable influence upon the iron product, which is generally acknowledged to be of superior quality. New Haven, April 20th, 1878.

Jan 1, 1879

PRESIDENT HORACE V. WINCHELL MINNEAPOLIS, MINN. PAST PRESIDENTS PHILIP N. MOORE ST. Louis, Mo. SIDNEY J. JENNINGS NEW YORK, N. Y. FIRST VICE-PRESIDENT A. R. LEDOUX NEW YORK, N. Y. TREASURER GEORGE D. BARRON NEW YORK, N. Y.

Jan 1, 1923