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Secondary Copper and the Metal Market
By LUDWIG VOGELSTEIN
WE are indebted to Mr. Barbour for his valuable contribution to the literature on copper statistics; it is to my knowledge the only intelligent attempt to throw light on a much misunderstood subject.
Jan 1, 1931
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Professional Services (f1c4a0e7-152b-461c-add4-67b8f747b90d)
[RALPH ADAIR Ore Dressing Consultant Bull Mtn. Rd., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consul
Jan 1, 1952
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Professional Services (b69eb065-6af5-49fa-972e-bc776c3069c1)
[RALPH ADAIR Ore Dressing Consultant Bull Mtn. d., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consult
Jan 1, 1952
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Professional Services (0459e53d-c907-435d-ae7c-7f84bafc7960)
[RALPH ADAIR Ore Dressing Consultant Bull Mtn. Rd., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consult
Jan 1, 1952
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Professional Services (7d53ef68-f651-4621-a60c-e2e7df052e89)
[RALPH ADAIR Ore Dressing Consultant Bull Mtn. Rd., Asheville, N. C. Phone 4-1693 JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington, D.C. BEHRE DOLBEAR & COMPANY Consul
Jan 1, 1952
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Augustus Braun Kinzel - Director, A.I.M.E.
By AIME
DURING the happy and peaceful years between the Treaty of Versailles and the third New Deal, metallurgy became one of the most cosmopolitan of the sciences. Any metallurgist can name some twenty or th
Jan 1, 1946
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Institute of Metals Division - Microstructure of Iron-Sulfur Alloys
By Lawrence H. Van Vlack, Alfred S. Keh
The distribution of sulfur in iron was found to be dependent upon the time and temperature of the treatment as well as the chemical composition of the sulfide. With higher temperatures, the sulfide ph
Jan 1, 1957
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Economic Significance of Special Alloy Steels
By HILAND BATCHELLER
COMMENT on the economic significance of the special alloy steels seems inevitably to reduce itself to an attempt to peer into the future of the industry in which we are interested. We are all familiar
Jan 1, 1931
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Why it Should be Done the Metric Way
By HOWARD RICHARDS
THE dollar was, selected as the unit of currency by the Congress of the United States of America on Apr. 2, 1792. This "Dollar" currency is so much more convenient than the older British currency that
Jan 1, 1921
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Mexican Paper - Notes on the Mines and Minerals of Guanajuato, Mexico
By William P. Blake
The ancient city of Guanajuato, the capital of the State of that name, has been built up and sustained chiefly by the milling industry based upon the veins of the Veta Madre and La Luz. It is distant
Jan 1, 1902
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Gold Versus Inflation
By Donald H. McLaughlin
PRICES paid for goods and services in paper currencies are undoubtedly determined by many interrelated factors, but among them none is more specific in pushing prices toward higher and higher levels t
Jan 1, 1948
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Buffalo Paper - Discussion of the paper of Dr. Frazer on the Kytchtym Medal (see p. 618)
O. S. GARRETSON, Buffalo, N. Y.: If I may judge from the half-tone illustration engraved from a photograph of this medal and accompanying Dr. Prazer's paper, I do not think the cast ing is except
Jan 1, 1899
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Can Silver Come Back?
By W. F. Boericke
WORLD production of silver in 1929 totaled 256 million ounces. In 1928 production was 258 million ounces, and in 1927, 254 million ounces. With an actual decrease in the amount of silver produced last
Jan 1, 1930
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Part VII - Neutron-Diffraction Evidence Suggesting Clustering in Commercial "Nickel Silver" Close to the Cu2NiZn Composition
By B. W. Roberts, V. A. Phillips
A copper alloy containing- 25.5 at, pct Zn and 19.0 at. pct Ni, which was previously found to show an anoma1old.s hardening effect on quenching- from 600 "C and aging- at 400oc, has now been examined
Jan 1, 1967
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Mining and Milling Utah Rock Asphalt
By R. C. FLEMING
MINING rock asphalt for use as a paving material is an industry which has grown with the spread of the good roads movement. "Mineral Industry During 1930" reports asphaltic pavements constructed, incl
Jan 1, 1933
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Coal - Some Geological Factors Affecting the Upper Freeport Coal and Its Quality
By E. F. Koppe
The Upper Freeport coal in the Freeport and New Kensington quadrangles, Pennsylvania, varies from a bony streak to a thick coal deposit often exceeding ninety inches, the "Double" or "Thick Freeport".
Jan 1, 1961
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Cleaning- Bituminous Coal
By J. R. Campbell
THE need for standardizing methods of arriving at definite conclusions regarding the cleanability of a given coal, and for measuring the performance of coal-cleaning equipment, is constantly increasin
Jan 1, 1928
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Analysis Of Risk Sharing
By C. Richard Tinsley
INTRODUCTION The economic analysis (Chapter 3), the engineering studies (Chapter 10), the credit structure (and the consequential funding sources) - Chapter 11, and the overall feasibility structur
Jan 1, 1985
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Papers - Age-hardening - Some Developments in High-temperature Alloys in the Nickel-cobalt-iron System (With Discussion)
By G. P. Halliwell, C. R. Austin
The investigation described in this paper deals with the development of high-temperature alloys of the Konel series over a considerable period of time at t,he Research Laboratories of the Westinghouse
Jan 1, 1932
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Diesel Engines Versus Steam Turbines for Mine Power Plants
By H Haas
H. HAAS, San Francisco, Cal. (communication to the Secretary?). -Fig. 1 plainly shows that the comparison of the steam-turbine and Diesel-engine plants was made on a basis of 6,000 kw. continuous oper
Jan 5, 1917