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Forgeability Of Iron-Nickel AlloysBy T. D. Yensen
IN the investigation of the magnetic properties of iron-nickel alloys,1 it was found necessary in order to make the alloys forgeable, or malleable, to add small quantities of some other element. Iron
Jan 1, 1920
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Mining And Preparing Domestic Graphite For Crucible Use. - Prefatory Statement.By George D. Dub
The Bureau of Mines, in connection with the investigations of war minerals it conducted, examined the graphite deposits of this country, studied the methods of mining and preparation used, and sought
Jan 1, 1920
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New York Paper - Principles of Mining Taxation (with Discussion)By Thos. W. Gibson
The object of taxation is the raising of a revenue. Unless a tax accomplishes this, it is a failure. The right to take for public purposes a part of the moneys obtained from the carrying on of private
Jan 1, 1920
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Chicago Paper - Mining Methods of Alaska Gastineau Mining Co.By G. T. Jackson
The Alaska Gastineau Mining Co.'s mine is located at Perseverance, about 4 mi. east of Juheau, Alaska. Its property consists of a group of claims, the lode system traversing these claims for a di
Jan 1, 1920
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Colorado Paper - Hand-sorting of Mill Feed (with Discussion)By R. S. Handy
Does hand-sorting of mill feed pay? The fact that the practice is so general would seem to indicate that there must be good reasons for following it; yet, to my mind, the advantage in many cases is do
Jan 1, 1920
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New York Paper - Microstructure of Iron Deposited by Electric Arc Welding (with Discussion)By G. F. Comstock
These notes should be considered as a further discussion of Mr. S. W. Miller's paper on "Some Structures in Steel Fusion Welds."l In that paper and the resulting discussion, several conflicting o
Jan 1, 1920
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The Iron Ranges of MinnesotaBy Duluth Engineers' Club, Engineers' Club of Northern Minnesota
"There are three distinct producing iron ranges in Minnesota, the Vermilion, Mesabi and Cuyuna. In trend the Vermilion and Mesabi are approximately parallel (E.N.E. and W.S.W.) and about fifteen to tw
Jan 1, 1920
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Discussion - Principles of Mining Taxation Discussion of the paper of T. W. Gibson, continued from page 648R. B. BrinSmade, Ixmiquilpan, Hgo., Mexico (written discussion*).—While agreeing with Mr. Gibson that his net-profit tax is the fairest and best for mines, I believe that the tax he describes can be m
Jan 1, 1920
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Chicago Paper - Sulfur in the Coking Process (with Discussion)By S. W. Parr
FRom a study of sulfur with reference to its specific combination in coal, published as University of Illinois Bulletin No. 111, 1919, it is now possible to determine the various forms of this constit
Jan 1, 1920
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Water Displacement in Oil and Gas SandsBy Roswell Johnson
ALL strata not yielding oil or gas in commercial quantities or a corresponding amount of water may be called dry in a wide sense. In petroleum geology,, however, we may exclude all sands of too low or
Jan 1, 1920
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Biographical Notice - Charles R. Van HiseThe sudden and untimely death of Dr. Charles R. Van Hise, late' president of the University of Wisconsin, was one of the greatest losses, not only to the educational world and science of geology,
Jan 1, 1920
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Chicago Paper - Blast-furnace Refractories (with Discussion)By Raymond M. Howe
Some time ago, a prominent engineer asked a representative of the firebrick industry to prepare a comprehensive paper on blast-furnace refractories. It was to have been the purpose of this paper to ga
Jan 1, 1920
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New York Paper - The Contract Wage System for Mines (with Discussion)By A. K. Knickerbocker
Practically all underground work on the Minnesota iron ranges is done by miners working on a so-called contract wage system. This system, while it has certain advantages over the straight day's p
Jan 1, 1920
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Chicago Paper - Correlation of Formations of Huronian Group in Michigan (with Discussion)By R. C. Allen
About four years ago the writer proposed a revision of the correlation of the Huronian formations in Michigan, and noted the bearing of the question on the correlations of the Huronian rocks in Wiscon
Jan 1, 1920
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French Post-war Mineral ResourcesBy AIME AIME
BECAUSE of its unequalled skill, your country in- creased its production until, in 1913, it produced 40 per cent. of the world's consumption of coal, iron ore, and cast iron; 45 per cent. of the
Jan 1, 1920
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State Registering and Licensing of EngineersBy T. L. CONDRON
DURING the past fourteen months, this committee has had under consideration and study the subject of the licensing or registration of engineers. The fifteen members of the committee as appointed by Co
Jan 1, 1920
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Improvement of Industrial RelationsBy George C. Stone
AS most of you probably know, Australia has had many strikes. The two places that had the worst reputation were the Broken Hill mines and Port Pirie, where the smelter was located. About four or five
Jan 1, 1920
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Story of the Organization of the Federated American Engineering SocietiesBy AIME AIME
THE outstanding event of the past month has been the conference in Washington of the representatives of about seventy-five of the leading national, regional and local engineering and allied technical
Jan 1, 1920
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Training and Achievement of the Russian EngineerBy AIME AIME
THE value to the engineering profession of a liaison between the engineering societies of Russia and America, through Engineering Council, was the subject of a meeting in the Engineering Societies Bui
Jan 1, 1920
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The Russian Cooperative Movement and its Relation to Capital and LaborBy Walter G. Perkins
T SEEMS almost sheer presumption to attempt' to discuss Russia in its present chaotic political and economic condition, and were it not that at least two certain absolute factors are continuously
Jan 1, 1920