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The Present Source and Uses of Vanadium
By J. Kent Smith
VANADIUM is generally spoken of as a rare element; but, even in the light of our resources as known a couple of years ago, this description could be accepted in a qualified sense only. In fact, vanadi
Sep 1, 1907
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Notes On Titanium And On The Cleansing Effect Of Titanium On Cast-Iron.
By Bradley Stoughton
(Cleveland Meeting, October, 1912.) [SECRETARY'S NOTE.-To avoid repetition of foot-notes, references to authorities are made in this paper by means of figures, referring to a numbered list in th
Nov 1, 1912
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Breaking Half a Million Tons in One Blast
By M. A. Roche
AST fall over half a million tons of ore and rock were broken in one blast at the open pit of the Hudson Bay Mining & Smelting Company's operation, at Flin Flon, Manitoba. The following particula
Jan 1, 1934
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Discovery and Application of Electric Welding
By ELIHU THOMSON
IN 1877, Professor Thomson delivered at the Franklin Institute, [Philadelphia, five lectures on electricity. The object of the lectures and the demonstrations, which were numerous and many of them ori
Jan 1, 1921
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War Demands Bring Changed Attitude Toward Scrap Metals
By S. M. Shelton
SINCE the Saar started. the real progress in scrap-metal recover is in the change of point of view regarding secondary metals. The tendency had been to regard scrap as the normal outgrowth of obsolesc
Jan 1, 1942
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Do Our Mineral Industries Schools Give an Engineering Training?
By William R. Chedsey
IN the last two years the E.C.P.D. committees having to do with the inspection of engineering schools for possible accrediting have been concerned with the engineering content of some of the mineral i
Jan 1, 1939
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Registration of Engineers in Canada
By B. B. Gottsberger
A NOTABLE feature of the practice of the American mining engineer is the fact that 'his field has been world wide, and the results of his work may be found in all countries. For this reason, the
Jan 1, 1921
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Subsurface Dip and Strike Determined by New Polar Core Orientation
By E. Ray Webb
A interest to geologists and to mining and petroleum engineers is a laboratory method for determining the dip and strike of sub- surface structures, as well as the direction of fault planes traversing
Jan 1, 1940
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Diagonal-Plane Concentrating-Table.
By S. Arthur Krom
(Wilkes-Barre meeting, June, 1911.) RECENT experiments indicate that the usual type of concentrating-table is not only poorly adapted to produce the desired results, but also is based upon an incorre
Jul 1, 1911
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Discussion - Of Mr. Bolles' Paper on The Concentration of Gold and Silver in Iron-Bottoms (see p. 666)
Edward Keller, Baltimore, Md. (communicatioin to the Secretary*):—It is pleasing to note the increasing amount of work on metallurgical problems that is being carried on by exact scientific methods, a
Jan 1, 1905
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Annual Meeting, New York
THE opening session was held on Tuesday evening, February 17th, in the house of the American Society of Civil Engineers. The President of the Institute, Mr. E. B. Coxe, after a few introductory rem
Jan 1, 1880
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The Conservation of Coal in the United States
By Edward W. Parker
IF one is to place any credence at all in the reports published in the daily press, the subject of conservation has been a very lively topic of conversation during the past 60 days, and it does not ap
Nov 1, 1909
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Chicago Paper - Effect of Sulfur in Coal Used in Ceramic Industries
By C. W. Parmalee
The ideal fuel for burning ceramic wares is the one that, among other characteristics, has little or no sulfur. For that reason wood was long considered the most desirable fuel but its high cost has p
Jan 1, 1920
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Production and Marketing of Garnet Abrasive Sands, Emerald Creek, Idaho
By John S. Crandall
Occurrence: small crystals in alluvial sands from the eroding Belt Series mica schists. Flowsheet: dragline, trommel screen, jigs, drier, crusher, screens. Value: ground, $2.50 per cu yd, garnet sand
Jan 1, 1950
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Health and Safety in Mining - Accident Rates Continue Downward Trend in Spite of Labor Difficulties
By Carl M. Fellman
LABOR disputes caused considerable turbulence in the coal mining industry during 1946. As an outcome of these disputes, a definitely fundamental change in safety procedure was instituted: establishmen
Jan 1, 1947
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Engineering Problems in Atomic Energy for Industrial Application
By J. A. Hutcheson
NO one questions that it is technically possible to achieve the controlled release of atomic energy in a form that can be converted into heat or electricity. However, before this is actually an accomp
Jan 1, 1948
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The Electrolytic Assay of Lead and Copper
By George A. Guess
THE increasing demand for greater speed and more accuracy, in making daily assays of ores and products from mills treating material containing but very small quantities of lead and copper, has caused
Nov 1, 1905
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Institute of Metals Division Hears 16 Papers
By C. H. Mathewson
EXCEPTING the joint sessions on gases in metals held during the day on Tuesday, the Institute of .Metals opened its activities with a division dinner at the Commodore on Tuesday evening, with Sam Tour
Jan 1, 1932
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Progress Toward Security and Stability
By Herbert Hoover
BOTH the directors of industry and your leaders have made great progress toward a new and common . ground in economic conceptions, which, I am confident, has had a profound effect upon our economic pr
Jan 1, 1930
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United States Needs Engineers for Government Service
By ROBERT B. COONS
SELECTIVE SERVICE must meet three important demands for man power: (1) Activities concerned with production of war goods. (2) The armed forces. (3) Civilian activities and institutions the continu
Jan 1, 1942