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Present Tendencies in Engineering MaterialsBy John A. Mathews
D R. CHARLES W. ELIOT, the great educator and philosopher-he of the five-foot book shelf-recently gave expression to a thought I had long been cherishing as a private opinion, when he said: "It is obv
Jan 1, 1926
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Petroleum Production, 1931 ? ForeignCONTENTS RUSSIA-R. C.-BECKSTROM 3 VENEZUELA-F. H. KAY 9 TRINIDAD-W. J. MlLLARD 20 RUMANIA-1. I. GARDESCU 26
Jan 1, 1932
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Discussion of Papers Published Prior to 1958 - Genesis of Titaniferous Magnetites and Associated Rocks of the Lake Sanford District, New YorkBy J. L. Gillson
Andre Hubaux: In the writer's opinion, more stress should be put on field and microscope observations, as J. L. Gillson does. His discovery of relics of big labra-dorite feldspars from the Marcy
Jan 1, 1959
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Oil Refining from the Modern Viewpoint ? A Multitude of New Processes and New and Improved ProductsBy Gustav Egloff
AN unexpected and unprecedented demand for its products now challenges the petroleum industry. Between 1939 wand 1946, domestic oil demand increased nearly 45 per cent and in the first half of 1947 it
Jan 1, 1947
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Minerals Beneficiation - Zeta Potential of Quartz in the Presence of Nickel (II) and Cobalt (II)By R. T. O’Brien, J. M. W. Mackenzie
A microelectrophoresis technique has been used to measure the zeta potential of quartz over a range of pH and Ni (11) and Co (Ilj concentrations. Results have been discussed in terms of adsorption of
Jan 1, 1970
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Concentration of Oxidized Lead Ores at San Diego Mill, Cia. Minera AsarcoBy AUGUSTUS J. MONKS, Norman L. Weiss
THE Santa Barbara Unit of the Compania Minera Asarco, of which the San Diego mill is a part, is in the Parral District of southern Chihuahua. Although the concentration of sulfide ores has been practi
Jan 1, 1930
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Notes On The Disadvantages Of Chrome Brick In Copper Reverberatory Furnaces (4864cf92-69f5-4af6-8342-660ee1c73f85)THE CHAIRMAN (G. H. CLEVENGER, Stanford University, Cal.).¬I would like to ask Mr. Pyne if he has had any experience inn the use of chromite as refractory under conditions that are highly reducing? I
Jan 4, 1918
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Alluvial Tin Mining In MalayaBy A. D. Hughes
A relatively small area in Malaya, about 200 miles long by 40 miles wide, is the most important source of tin in the world. Some tin is recovered in other parts of the peninsula. Of the tin mined, 98
Jan 1, 1949
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Technical Notes - X-Ray Crystallographic Data on As2Te3By C. W. Spencer, J. Singer
A PARTIAL phase diagram for the As-Te system is given in Hansen.' The only compound reported is As2Te3, melting at 362°C. Stoichiometric quantities of reagent-grade elements were reacted in evacu
Jan 1, 1956
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Vanadium-Deposits In Peru.By FOSTER HEWElT
THE scope of this paper is the description of two districts in Peru in which deposits of vanadium have been found, and the consideration of much laboratory-work that I and others have done to determin
Mar 1, 1909
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An Innovation in Semi-longwall Mining of a Thin SeamBy AIME AIME
AN IMPORTANT innovation in Alabama in the semi-longwall type of coal mining as applied to low-dipping thin seams has been introduced by the Galloway Coal Co., mining the Mary Lee high-ash seam which a
Jan 1, 1934
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Oil Curtailment in CaliforniaBy Joseph Jensen
CURTAILMENT of oil production in California began in 1922 and 1923 when certain of the major companies completely shut down some pumping properties. Efforts of this kind were generally carried on with
Jan 1, 1932
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Theory and Practice Covered in Milling SessionsBy AIME AIME
MILLING called for four sessions and a luncheon and covered broad ranges from speculative theory to basic practice, and from coal to gold. An attractive and profitable feature was the "get-together" o
Jan 1, 1933
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Civic Forum Presents Medal of Honor to Herbert HooverBy Charles E. Hughes
HERBERT HOOVER had to sit through an hour and a half of eulogy of himself at Carnegie Hall last night, said the Sun and New York Herald of Feb. 19. When his turn to answer came he remarked that, altho
Jan 1, 1920
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Production Control?a Problem in EngineeringBy O. E., Kiessling
THE better control of production was made the topic for a special program of the annual meeting of the Institute last February. In the discussion at that meeting it was brought out that in many branch
Jan 1, 1928
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Cone-Type Precipitators For Improved Copper RecoveryBy J. D. Prater, H. R. Spedden, E. E. Malouf
Application of research findings to the old art of leaching copper from copper-bearing mine waste has resulted in a significant contribution of copper to over-all copper production. For example, at th
Jan 4, 1966
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Biographical Notice Of John BirkinbineBy Rossiter Raymond
JOHN BIRKINBINE was born Nov. 16, 1844, at Reading, Pa., the eldest son of H. P. M. Birkinbine, widely known as a hydraulic engineer. The family removed subsequently to Philadelphia, where, as a young
Jan 7, 1915
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San Francisco Paper - Biographical Notice of John BirkinbineBy Rossier W. Raymond
John Birkinbine was born Nov. 16, 1844, at Reading, Pa., the eldest son of H. P. M. Birkinbine, widely known as a hydraulic engineer. The family removed subsequently to Philadelphia, where, as a young
Jan 1, 1916
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Discussion of Papers - Activation of Beryl and Feldspar by Fluorides in Cationic Collector SystemsBy R. W. Smith. Discussion by D. Watson, R. M. Manser
D. Wotson, R. M. Monser (Watten Spring Laboratory, Stevenage, Herts., U. K.) - This is a valuable and interesting paper and will make an important contribution to the development of a general theory o
Jan 1, 1967
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New Dimensions In Overland TransportationBy George H. K. Schenck
Diminishing returns in management's fight to lower manufacturing expenses have added luster to savings that can be achieved in delivered costs through creative management of the distribution func
Jan 1, 1967