Volume 70
Containing the Papers and Discussions Presented at the Meeting Held in New York in February, 1924, and at the Meeting of the Petroleum Division Held in Tulsa, Okla., in October, 1923
Title Page
Preface
Contents
Officers and Directors
Honorary Members
Institute Committees
Societies, Boards Etc., on Which Institute Has Representation

PROCEEDINGS OF MEETINGS

MEETING DATE
New York Meeting February, 1924

PAPERS:

NEW YORK MEETING February, 1924

TITLE AUTHOR
What is Steel? Albert Sauveur
The Nature of Martensite (with Discussion) Edgar C. Bain
Stainless Steel with Particular Reference to the Milder Varieties (Stainless Iron) (with Discussion) John H. G. Monypenny
Effect on Steel of Variations in Rate of Cooling in Ingot Molds (with Discussion) William J. Priestley
Economic Significance of Metalloids in Basic Pig Iron in Basic Open-hearth Practice (with Discussion) C. L. Kinney, Jr.
Absorption of Sulfur from Producer Gas in Open-hearth Furnaces (with Discussion) J. H. Nead
Requirements of Refractories for Open Hearth (with Discussion) F. W. Davis and G. A. Bole
Effect of Zirconium on Hot-rolling Properties of High-sulfur Steels and the Occurrence of Zirconium Sulfide (with Discussion) Alexander L. Field
Effect of Coke Combustibility on Stock Descent in Blast Furnaces (with Discussion) P. H. Royster and T. L. Joseph
Use of Sodium Picrate in Revealing Dendritic Segregation in Iron Alloys (with Discussion) Albert Sauveur
Micrographic Detection of Carbides in Ferrous Alloys Norman B. Pilling
Stimulating Natural Light in Metallography H. S. George
Overstrain in Metals Joseph Kaye Wood
Nitrogen in Steel, Discussion by J. S. Vanick (Vol. LXIX) C. Baldwin Sawyer
Physical Defects in Hollow Drill Steel Francis B. Foley, C. Y. Clayton, and Muir L. Frey
The Trend in the Science of Metals Zay Jeffries
Some Low Copper-Nickel Silvers Wm. B. Price and C. G. Grant
Effect of Severe Cold Working on Scratch and Brinell Hardness (with Discussion) Henry S. Rawdon and Willard H. Mutchler
Relation of Heat Treatment, Mechanical Properties, and Microstructure of 60-40 Brass Victor O. Homerberg and Dexter N. Shaw
Relation of Heat Treatment to the Microstructure of 60-40 Brass Robert S. Williams, and Victor O. Homerberg
Corrosion of Brass as Affected by Grain Size (with Discussion) Robert J. Anderson and George M. Enos
The Reduction and Refining of Tin in the United States (with Discussion) H. H. Alexander and J. R. Stack
Hydrometallurgy of Lead (with Discussion) Oliver C. Ralston
Present Trend in Treatment of Complex Ores G. L. Oldright
Electrolytic Zinc from Complex Ores (with Discussion) U. C. Tainton and L. T. Leyson
Greenawalt Electrolytic Copper Extraction Process (with Discussion) William E. Greenawalt
Direct Electrolysis of Black-copper Anodes of High Nickel-lead Content (with Discussion) M. H. Merriss
Ammonia Leaching of Calumet and Hecla Tailings (with Discussion) C. H. Benedict and H. C. Kenny
Calculating the Zinc for Desilverizing Lead Bullion by the Parkes Process (with Discussion) George G. Griswold
Efficiency of Screening (with Discussion) Robert K. Warner
Surface Reactions in Flotation (with Discussion) A. W. Fahrenwald
Application of Sand-flotation Process to Preparation of Bituminous Coal T. M. Chance
Production of High-grade Blast-furnace Coke H. M. Chance
Dry Cleaning of Coal (with Discussion) Ray W. Arms
Coal Mining by the V System (with Discussion) Glenn B. Southward
Timber Used in Bituminous-coal Mining Newell G. Alford
Valuation of Coal Mining Properties in the United States Report of Engineers’ Advisory Valuation Committee to the United States Coal Commission
Data about Labor Employed in Various Bituminous Mines (with Discussion) Howard N. Eavenson
Development of Mine Transportation in Clifton-Morenci District (with Discussion) Norman Carmichael and John Kiddie
The Ores in the Limestones at Bingham, Utah Richard N. Hunt
Petrographic Studies of Limestone Alterations at Bingham (with Discussion) A. N. Winchell
Some Geological Features and Court Decisions of the Utah-Apex – Utah Consolidated Controversy, Bingham District Orrin P. Peterson
Role of Secondary Enrichment in Genesis of the Butte Chalcocite (with Discussion) Augustus Locke, D. A. Hall and M. N. Short
Primary Downward Changes in Ore Deposits (with Discussion) W. H. Emmons
Oxidation and Enrichment at Ducktown, Tenn. (with Discussion) Geoffrey Gilbert
Magnetite Deposits of Eastern Porto Rico (with Discussion) Charles R. Fettke
Smackover Oil Field, Ouachita and Union Counties, Ark. (with Discussion) H. G. Schneider
Trend of Prices in the Petroleum Industry (with Discussion) Joseph E. Pogue
The Law of Supply and Demand Arthur Knapp
Oil and Gas Leases (with Discussion) Rush Greenslade
Electric Welding of Large Storage Tanks (with Discussion) Harold C. Price

CANADIAN MEETING August, 1923

TITLE AUTHOR
South Lorrain Silver District, Ontario (with Discussion) J. Mackintosh Bell
Separation and Purification of Liquids by Centrifugation with Special Reference to Petroleum (with Discussion) A. F. Meston
Evaluation of Casinghead Gas Oliver U. Bradley

TULSA MEETING October, 1923

TITLE AUTHOR
Recent Exploration for Petroleum in the United Kingdom E. L. Ickes
The Electrical Dehydration of Cut Oil (with Discussion) F. D. Mahone
Centrifugal Removal of Wax from Petroleum Lubricating Oils Leo D. Jones
Centrifuging Petroleum-refinery Emulsions Eugene E. Ayres, Jr.
Evaporation Loss of Petroleum – Theories and Their Application (with Discussion) J. H. Wiggins
Effect of Back Pressure on Wells in Brock Field (with Discussion) J. M. Lovejoy

BIOGRAPHICAL NOTICES

TITLE
Albert Reid Ledoux
Edwin Ludlow
Christopher Robert Corning
John Edward Stead
Heinrich Oscar Hofman
Fred Walter McNair
Raphael Pumpelly
Oscar Rohn
Albert Ladd Colby
Chester Wells Purington

INDEX

TITLE AUTHOR
Index