Volume 71
Containing the Papers and Discussions Presented at the Meeting Held in Birmingham, Ala., October, 1924, the Meeting Held in New York, February, 1925, and the Meeting of the Institute of Metals Division Held in Milwaukee, Wis., October, 1924
Title Page
Preface
Contents
Officers and Directors
Honorary Members
Institute Committees

PROCEEDINGS OF MEETINGS

MEETING DATE
Birmingham Meeting October, 1924
Lake George and Lake Champlain October, 1924
Baltimore February, 1879

PAPERS:

NEW YORK MEETING February, 1925

TITLE AUTHOR
Environmental Conditions of Deposition of Coal (with Discussion) David White
Microscopical Constitution of Coal (with Discussion) Reinhardt Thiessen
Microstructure of Coal Clarence A. Seyler
Microscopical Structure of Anthracite (with Discussion) Homer G. Turner
Coal in Relation to Coke (with Discussion) Edward C. Jeffrey
Resolution of Coal by Oxidation (with Discussion) W. Francis and R. V. Wheeler
Constitution of Coal (with Discussion) F. V. Tideswell and R. V. Wheeler
Organic Sulfur Compounds in Coal (with Discussion) J. Jolly and R. V. Wheeler
Selective Combustion in Coal (with Discussion) F. S. Sinnatt
Nitrogenous Constituents of Coal (with Discussion) John W. Cobb
Coal and Oxygen (with Discussion) S. W. Parr and F. B. Hobart
Modern Views of the Chemistry of Coals of Different Ranks as Conglomerates (with Discussion) A. C. Fieldner and J. D. Davis
Contact Metamorphism of Some Colorado Coals by Intrusives (with Discussion) J. Brian Eby
Progressive Regional Carbonization of Coals (with Discussion) David White
Moisture as a Component of the Volatile Matter of Coal (with Discussion) W. T. Thom, Jr.
Phosphate Deposits of Idaho and Their Relation to the World Supply (with Discussion) Virgil R. D. Kirkham
Manufacturing Problems of Cement Industry John J. Porter
Rotary Calciners for Gypsum (with Discussion) Frank A. Wilder
Limestone Production as a Mining Problem (with Discussion) J. R. Thoenen
Engineering in Limestone Production (with Discussion) C. C. Griggs
Manganiferous Iron Ores of Cuyuna District, Minnesota (with Discussion) Carl Zapffe
Economics of the Cuyuna Manganiferous Iron Ores (with Discussion) C. P. McCormack
Brief History of Metallurgical Practice in Cannon-making with Particular Reference to the Cast-iron Gun (with Discussion) Job Goostray, R. F. Harringon and M. A. Hosmer
Effect of Sulfur on Blast-furnace Process (with Discussion) T. L. Joseph
Chemical Equilibria During Solidification and Cooling of White Cast Iron (with Discussion) H. A. Schwartz and (Mrs.) Anne Nicholson Hird
Finishing Melting Temperatures of Simple Ingot Steels (with Discussion) Henry D. Hibbard
Some Factors Affecting the Elimination of Sulfur in the Basic Open-hearth Process (with Discussion) C. H. Herty, Jr. A. R. Belyea, E. B. Burkart., and C. C. Miller
Reaction between Manganese and Iron Sulfide (with Discussion) C. H. Herty, Jr. and O. S. True
Reduction of Iron Ores by Carbon Monoxide (with Discussion) Heihachi Kamura
Austenite and Austenitic Steels John A. Mathews
Action of Hot Wall: a Factor of Fundamental Influence on the Rapid Corrosion of Water Tubes and Related to the Segregation in Hot Meals Carl Benedicks
Recrystallization and Grain Growth in Soft Metals (with Discussion) Maurice Cook and Ulick R. Evans
Eutectic Patterns in Metallic Alloys (with Discussion) C. H. Green
Determination of Structural Composition of Alloys by a Metallographic Planimeter (with Discussion) E. P. Polushkin
Tantalum, Tungsten and Molybdenum E. W. Engle
The Malleability of Nickel (with Discussion) Paul D. Merica and R. G. Waltenberg
X-ray Evidence Versus the Amorphous-metal Hypothesis (with Discussion) Robert J. Anderson and John T. Norton
Corrosion of Copper Alloys in Sea Water (with Discussion) W. H. Bassett and C. H. Davis
Etching Aluminum and Its Alloys for Macroscopic and Microscopic Examination (with Discussion) Fulton B. Flick
New Developments in High-strength Aluminum Alloys (with Discussion) Robert S. Archer and Zay Jeffries
Scratch and Brinell Hardness of Severely Cold-rolled Metals M. F. Fogler and E. J. Quinn
Redistillation of Zinc (with Discussion) Kurt Stock
High Zinc in Lead Blast-furnace Slags (with Discussion) Fred E. Beasley
New Roasting Furnace for Zinc Flotation Concentrate (with Discussion) Charles H. Fulton and J. Burns Read
Recovery of Arsenic and Other Valuable Constituents from Speiss (with Discussion) Clarence P. Linville
Application of Pulverized Coal to Copper Refinery Furnaces (with Discussion) E. W. Steele
Recent Developments in the Fine Grinding and Treatment of Witwatersrand Ores (with Discussion) Carl R. Davis, J. L. Willey, and S. E. T. Ewing
Determination of Dissolved Oxygen in Cyanide Solutions (with Discussion) A. J. Weinig and Max W. Bowen
Precipitation Efficiency of Zinc Dust in Cyanide Process (with Discussion) Robert Lepsoe
Determination of Suspensoids by Alternating-current Precipitators Philip Drinker and R. M. Thomson
Analysis of Performance of a Coal Jig H. F. Yancey and Thomas Fraser
Belt Conveying of Coal at H. c. Frick Coke Co. Mines (with Discussion) Thomas W. Dawson
Review of Coal-dust Investigations George S. Rice
Economies of Rockdusting Bituminous Coal Edward Steidle
Value of Humidifying Method in Explosion Prevention in Coal Mines (with Discussion) D. Harrington
Safeguarding Coal-mining Operations against Danger from Oil and Gas Wells (with Discussion) A. W. Hesse
Schedule Rating Coal Mines in Pennsylvania for Compensation Insurance Rates (with Discussion) Rush N. Hosler
Application of Gaussian Curve to Mining Industry (with Discussion) High Archbald
Properties of Liquid-oxygen Explosives (with Discussion) G. St. J. Perrott
Increasing Production of Petroleum by Increasing Diameter of Wells (with Discussion) Lester C. Uren
Significance of Fluid Level in Oil-well Pumping Lester C. Uren
Determining the Constants of Oil-production Decline Curves Harry M. Roeser
Mathematical Determination of Production Decline Curves Charles S. Larkey
Comparative Study of Well Logs on the Mexia Type of Structure (with Discussion) Frederic H. Lahee
Exploration for Petroleum in the Limagne, France A. Werenfels
Oil Geology of Northern Venezuela A. Hamilton Garner

BIRMINGHAM MEETING October, 1924

TITLE AUTHOR
Mascot, Tennessee, Zinc Area Wilbur A. Nelson
Ducktown, Tennessee, Copper District Wilbur A. Nelson
Notes on the Clinton Group in Alabama Truman H. Aldrich
Steel Making in Alabama James Bowron
Blast-furnace Practice in Alabama (with Discussion) H. E. Mussey
Manufacture of Ferrophosphorous at Rockdale, Tenn. James A. Barr
Smelting Copper Concentrates in a Converter F. J. Longworth
Milling Practice of American Zinc Co. of Tennessee at Mascot Robert Ammon
Coal Washing Practice in Alabama (with Discussion) H. S. Geismer
Byproduct Coking in Alabama (with Discussion) F. W. Miller

MILWAUKEE MEETING October, 1924

TITLE AUTHOR
Coatings Formed on Corroded Metals and Alloys (with Discussion) George M. Enos and Robert J. Anderson
Experiments on the Heat Treatment of Alpha-Beta Brass (with Discussion) O. W. Ellis and D. A. Schemnitz
Hardness of Heat-treated Aluminum Bronze (with Discussion) George F. Comstock
Casting and Heat Treatment of Some Aluminum-Copper-Magnesium Alloys (with Discussion) Samuel Daniels, A. J. Lyon and J. B. Johnson

BIOGRAPHICAL NOTICES

TITLE
David Talbot Day
William A. Clark
Willet G. Miller

INDEX

TITLE AUTHOR
Index