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Discussions - Of Mr. Gayley's Paper on The Application of Dry-Air Blast to the Manufacture of Iron (see Trans., xxxv., 746)
Joseph W. RichaRds, South Bethlehem, Pa. (communication to the Secretary*): The hold experiment of Mr. James Gayley in drying the blast used in the Isabella furnace has attracted the attention of the
Jan 1, 1906
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Discussions - Of Messrs. Gibb and Philp's Paper on The Constitution of Mattes Produced in Copper-Smelting (see p. 665)
Edward Keller, Baltimore, Md. (communication to the Secretary*) :—The authors of this paper are to be commended for their industry and congratulated upon the many interesting results which were the fr
Jan 1, 1906
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The Use of High Percentages's of Fine Ore in a Charcoal Blast-Furnace.
By R. H. SWEETSERS
A Discussion of Mr. Hall's paper, read at the Washington Meeting, February, 1905. R. H. SWEETSER, Sault Ste. Marie, Ont. (communication to the Secretary*) :-The recent work of furnace No. 1 of T
Jan 1, 1906
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Discussions - Of Mr. Campbell's Paper on The Influence of Carbon, Phosphorus, Manganese and Sulphur on the Tensile Strength of Open-Hearth Steel (see Trans., xxxv., 772)
Mansfield MERRIMAN,Lehigh University, South Bethlehem, Pa. (communication to the Secretary*):—The formulas established by Mr. Campbell require the use of tables in order to take into account the influ
Jan 1, 1906
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Discussions - Of Mr. Campbell's Paper on The Classification of Coals (see p. 324)
DR. PeRsifor Frazer, Philadelphia, Pa. (communication to the Secretary):* Mr. Campbell's very interesting contribution, after complimentary mention, finally decides against the acceptance of the
Jan 1, 1906
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Discussions - Of Mr. Gayley's Paper on The Application of Dry-Air Blast to the Manufacture of Iron, published under the title of Blast-Furnace Practice (see Trans., xxxv., 746; also p. 315 of the present volume)
A Discussion of the papers of James Gayley, on "The Application of Dry-Air Blast to the Manufacture of Iron" (see Trans., XXXV., 746, 1022, also pp. 315 and 745 of the present volume, and of J. E. Joh
Jan 1, 1906
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Discussions - Of Mr. Chance's Paper on The Taviche Mining-District Near Ocotlan, State of Oaxaca, Mexico (see Trans., xxxv., 886)
Edward Halse, Puerto Berrio, Colombia, So. Amer. (communication to the Secretary*): The Taviche mining-district is generally known as " Taviches," being named from the two villages called respectively
Jan 1, 1906
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The Electrolytic Assay of Lead and Copper
By George A. Guess
THE increasing demand for greater speed and more accuracy, in making daily assays of ores and products from mills treating material containing but very small quantities of lead and copper, has caused
Nov 1, 1905
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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 Origin of Clinton Red Fossil-Ore in Lookout Mountain, Alabama
By William M. Bowron
THIRTY years ago, when I stood on the cliff of red fossil iron-ore, on Red mountain, Jefferson county, Ala., I asked what were the geological relations of this remarkable deposit. In reply I was told
Nov 1, 1905
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Notes on Southern Nevada and Inyo County, California
By H. H. Taft
IT has long been known that the volcanic area south of Belmont, Nye county, Nevada, had mining possibilities. Some of the old-time prospectors knew that gold existed there. Its remoteness from any sou
Nov 1, 1905
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The Origin of Vein-Filled Openings in Southeastern Alaska
By Arthur C. Spencer
IN extension of a suggestion already made to account for certain features observed in the Juneau gold-belt in southeastern Alaska,' it is the object of the present paper to indicate in detail cer
Nov 1, 1905
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Anthracite-Washeries
By GEORGE W. HARHIS
IN the earlier period of anthracite-ruining, much coal was wasted, both underground and in the culm-banks on the surface. Such waste is common in the development of new mining districts, in which, as
Nov 1, 1905
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The Manufacture of Coke in Northern China
By YANG TSANQ WOO
THE method of making coke that has been adopted at the Kaiping and other collieries in northern China resembles, to some extent, the familiar bee-hive oven process of the United States, except that a
Nov 1, 1905
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The Limestone-Granite Contact-Deposits of Washington Camp, Arizona
By W. O. Crosby
WASHINGTON CAMP, in Santa Cruz county, Arizona, is a small and little known mining district situated on the lower, eastern slope of the Patagonia mountains, about 20 miles east of Nogales and a like d
Nov 1, 1905
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The Constitution of Mattes Produced in Copper-Smelting
By R. C. Philp, Allan Gibb
INTRODUCTION. THE term matte is applied to smelting-products so extremely diverse in composition and physical properties that it appears impossible to devise any generic formula to represent, chemica
Nov 1, 1905
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Genesis of the Ore-Deposits at Bingham. Utah
By J. M. Boutwell
I. Introduction. THE object of this paper is to present a concise statement on the genesis of the copper- and lead-deposits of the Bingham Mining District, Utah. It is essentially a condensation of a
Nov 1, 1905
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Cost-Accounts of Gold-Mining Operations
By Thomas H. Sheldon
IN the zeal for opening up new ore-bodies, or for. extracting the ore from attractive bodies gal ready opened up, we very often lose sight of the fact, that, after all, the operation of a mine is a bu
Nov 1, 1905
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Biographical Notice of Benjamin West Frazier, Jr., D.Sc.
By Edward H. Williams
IN the middle of the eighteenth century John Frazier and wife, Sarah Ingraham, removed from Boston, Mass., to Philadelphia, Pa., where he was held in such esteem that we find him one of the Committee
Sep 1, 1905