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Application Of Pyrometry To Problems Of Lamp Design And Performance
By I. H. Van Horn
IN the development of the incandescent electric lamp one aim of the investigators has been to establish the fundamentals of lamp design, so that the performance of any new lamp may be accurately predi
Jan 9, 1919
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Powder Metallurgy
By Frances H. Clark
DEVELOPMENTS in powder metallurgy have been disappointing in 1943. If any new part has gone into large-scale production, knowledge of it has been restricted by considerations of national security. Nor
Jan 1, 1944
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Gold Mining in California
By Edwin Higgins
SINCE the "Days of Forty-nine" California has been the premier gold producing state of the union. The greatest production was recorded in 1.852, during which year the state's placer and lode depo
Jan 1, 1925
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New York Paper - Some Factors Affecting the Elimination of Sulfur in the Basic Open-hearth Process (with Discussion)
By C. C. Miller, A. R. Belyea, C. H. Herty, E. B. Burkart
The removal of sulfur from steel has been studied by many investigators, but the quantitative relationships between the factors involved have not been determined. This is undoubtedly due to the number
Jan 1, 1925
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New Trends in Mining Geology
By George M. Fowler
EVERY year it becomes more difficult to find new mining districts and new ore deposits. Nearly all of the important discoveries so far can be attributed to surface manifestations overlying the ore dep
Jan 1, 1935
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The Magnetite Deposit near Humacao, Puerto Rico
By R. J. Colony
DEPOSITS of iron are widely scattered in the folded Cretaceous rocks and the associated igneous intrusives of Puerto Rico. Most of them are too small for commercial development, but a few have aroused
Jan 1, 1935
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Importance of Stone in Industry
By Oliver Bowles
ROCK is no doubt the most abundant of all material things because the planet on which we live is made of it. All animal and vegetable organisms and the multitude of natural and manufactured products t
Jan 1, 1934
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Iron-ore Sinter
By G. M. Schwartz
THERE has been considerable controversy regarding the structure and mineral constituents produced when iron ore is sintered. This investigation was undertaken in order to establish the fundamental rea
Jan 1, 1929
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Getting The Foreign Workman's Viewpoint
By Prince Lazarovich, Hrebelianovich
I WAS asked by the chairman of one of the Sessions on Employment Problems to talk about the viewpoint of the foreign workingman. I am not a workingman. I have never done what a work-hand might call an
Jan 4, 1918
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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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Geophysics and Geochemistry - Relationship of Graphite in Soils to Graphitic Zones
By H. Linder, W. H. Dennen
The graphitic carbon content of soils may be used to detect and delimit subsurface graphitic zones. Spectrographic measurement of carbon in C horizon soils from several areas in the northeastern Unite
Jan 1, 1961
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Proceedings Of The One Hundred And First Meeting, San Francisco; October, 1911
By AIME AIME
GENERAL COMMITTEES. SAN FRANCISCO:-ExECUTIVE, Hon. William C. Ralston, Chairman; RECEPTION, Prow. Samuel B. Christy, Chairman; SESSIONS, Frederic W. Bradley, Chairman; PRESS, H. Foster Bain, Chairma
Nov 1, 1911
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Engineering Lifted from Back Room of Blueprints to First Order of National Importance
By Herbert Hoover
DURING the year, the' Institute has made the most remarkable growth in its history. Our actual increase in membership was 1816 and therefore was 80 per cent. larger than any previous year. Even w
Jan 1, 1921
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The Physical Features And Mining Industry Of Peru.
By George I. Adams
PHYSICAL AND CLIMATIC DIVISIONS. PERU is divided into three regions-the coast, the sierra, or high mountainous region, and the a montana," or forest region of the Amazon basin. The Coast.-The coast
Jan 7, 1908
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Limestone and Lime ? Their Industrial Uses
By M. F. Goudge
LIMESTONE surpasses any other rock or mineral in the number and diversity of its uses and in the quantity consumed fur industrial purposes. Either in the raw state or when calcined to lime it enters d
Jan 1, 1937
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Index R – T (ad778d9c-c717-4a32-8df2-8c4867724f0f)
[Pumps: oil-well: plunger: essential parts, G26, 130; 74, 828 improved type, 74, 846 leakage, 74, 837 operating cycle, 74, 833 Uren design, G26, 145 sucker-rod failures, G26, 136 sucker-rod stress,
Jan 1, 1936
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Proceedings of the Eighty-Ninth Meeting, British Columbia, Canada , July, 1905
By AIME AIME
COMMITTEES. CENTRAL GENERAL COMMITTEE.-Wm. Fleet Robertson, Chairman; Win. M. Brewer,. Secretary. LOCAL COMMITTEE OF NELSON, B. C.-A. S. Farwell, Chairman; W. C. Bayly, Secretary; William Blakemore,
Nov 1, 1905
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The Direct Determination Of Small Amounts Of Platinum In Ores And Bullion.
By Frederic P. Dewey
(New York Meeting, February, 1912.) By the old method of determining platinum in ores and bullion, the silver-alloy first obtained in the regular course of assay is parted in strong sulphuric acid an
Apr 1, 1912
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Technical Papers and Discussions - Lithium - Laboratory Preparation of Lithium Metal by Vacuum Metallurgy (Metals Tech., June 1947, TP 2179)
By A. W. Schlechten, W. J. Kroll
As this paper is written, the only method for the commercial production of lithium metal is by the fusion electrolysis of LiC1-KC1 mixtures, as first proposed by Gunkz.2 The details of the industrial
Jan 1, 1949
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Naturalnessc
By T. A. Rickard
The key-note of good writing, as of good manners, is B natural. Sincerity is the first requisite for effective writing. When a man says what he knows or believes, he is likely to be interesting, becau
Jan 1, 1931