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The Future of the Zinc Market
By ARTHUR THACHER
PRIMITIVE man supplied his wants as they arose; as he became more civilized he anticipated them by producing more regularly and storing the products for future use. This tended to cheapen' produc
Jan 1, 1921
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An Oil Lesson from Mexico
By Ralph Arnold
LESS than eight months ago at the annual meeting of the American Institute of Mining and Metallurgical Engineers, attention was called to the demoralizing effect of the abnormal oil production of Mexi
Jan 1, 1921
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Topographic Mapping of United States
By AIME AIME
THE Federated American Engineering Societies through its Executive Board has endorsed House Bill 5230, introduced April 26, 1921, which provides for- the completion of the topographical survey of the
Jan 1, 1921
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Present Condition of the Mining Industry
By H. Foster Bain
THERE has never been a great civilized nation which did not have a mining industry; civilization cannot flourish without metal mining. Without tools we can have none of the 'industries that are t
Jan 1, 1921
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Mineral-land Classification
By Max W. Ball
THE geologist or mining engineer, whose work takes him into the western United States, whether for the Government or private enterprises, is likely to be called upon to classify public lands as to the
Jan 1, 1921
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Relation of Labor to Business Improvement
By S. A. TAYLOR
THE aftermath of a world war brings up a number of economic problems for the consideration of all thinking and patriotic citizens. The solution of the problems which confront the country at this time
Jan 1, 1921
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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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Dean Cooley Elected President of Federated American Engineering Societies
By AIME AIME
MORTIMER ELWYN COOLEY, dean of the College of Engineering and Architecture of the University of Michigan, has been elected president of the American Engineering Council of the Federated American Engin
Jan 1, 1921
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Placer Prospecting Practice
By GERALD H. HUTTON
SINCE the inception of dredge mining, the attention of engineers and operators has been directed primarily toward mechanical improvements and refinements calculated to, reduce operating costs and to i
Jan 1, 1921
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Research in the Steel Industry
By John A. Mathews
RESEARCH in the steel industry, as in other lines of manufacturing, has for its principal purpose the increasing of profits. That is what manufacturing companies are for, and all departments of the or
Jan 1, 1921
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Early Days of the Institute
By AIME AIME
In the present number of Mining and Metallurgy, issued on the fiftieth anniversary of the founding of the Institute, it appears appropriate to chronicle a few of the interesting incidents respecting i
Jan 1, 1921
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Engineers? Dinner to John Fritz Delegation to Europe
By AIME AIME
NEARLY two hundred 'engineers attended the dinner given at the Hotel Pennsylvania on Monday-evening, Oct. 10, to the delegation from the American l3nginiering Societies to Great Britain and Franc
Jan 1, 1921
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Value of the Mines of the United States
By W. R. Ingalls
WHAT proportion of the national wealth is represented by' the producing mines of the country?' Or by the- mining and metallurgical industry-as a whole, for it is impossible to make-an econom
Jan 1, 1921
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John Fritz Medal to Cross the Ocean
By AIME AIME
THE John Fritz Medal Board of Award, at its annual meeting on Jan. 21, 1921, awarded its gold medal and diploma to Sir Robert Hadfield for the invention of manganese steel. On June 1, announcement was
Jan 1, 1921
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American Engineers in England and France
By John Fritz
MEMBERS of the American engineering societies who were in London and Paris during the last days of. June and early July were present at many interesting gatherings. The official delegates of the Found
Jan 1, 1921
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Registration of Engineers
By B. B. Gottsberger
IT SEEMS strange that so many years after the pas¬sage of the first acts requiring registration or licensing of engineers, so few members of the mining branch of the profession are aware of what has t
Jan 1, 1921
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Position of Silver under the Pittman Act
By Cornelius F. Kelley
DURING the war, events moved with unprecedented rapidity. Situations, industrial, economic and financial, arose over night that stressed to the uttermost the ingenuity and ability of those who dealt w
Jan 1, 1921
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Licensing of Mining Engineers
By AIME AIME
NINETEEN states have on their statutes laws requiring engineers practicing within their borders to be licensed sixteen other states have such laws under consideration. While mining engineers are not s
Jan 1, 1921
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Commercial Production of Electrolytic Iron
By C. P. PERIN, DONALD BELCHER
T HE production of pure iron by electrolyzing solutions of its salts has been the object of scientific curiosity and research for about 80 years; and in the last two decades a realization of the unusu
Jan 1, 1921
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Contents
Jan 1, 1921