Volume 45
Containing the Papers and Discussions of the New York Meeting, February, 1913
Title Page
Preface
Contents
Officers
Honorary Members
Committees
Institute Activities for the Year 1913

PROCEEDINGS OF MEETINGS

MEETING DATE
New York Meeting February, 1913

PAPERS:

NEW YORK MEETING February, 1913

TITLE AUTHOR
The Ground-Waters (with Discussion) James F. Kemp
The Sulphide Ores of Copper. Some Results of Microscopic Study (with Discussion; see also p. 529) L. C. Graton and Joseph Murdoch
The India Mica Industry A. Faison Dixon
The Elk City Mining District, Idaho County, Idaho Arthur L. Flagg
Fire-Clay Deposits of Canada Heinrich Ries
The Geographic Distribution of Mining Development in the United States (with Discussion) Edward W. Parker
A Problem in Mining, together With Some Data on Tunnel-Driving (with Discussion) F. M. Simonds and E. Z. Burns
Electric Power Installation at El Tigre, Sonora, Mexico James W. Malcomson
The Hardinge Conical Mill H. W. Hardings
Notes on the Formation of Ferrites in Roasting Blende G. S. Broo
The Role of Certain Metallic Minterals in Precipitating Silver and Gold Chase Palmer and Edson S. Bastin
The London Mine, Mosquito Mining-District, Park County Colo. Charles J. Moore
School Laboratory-Work: Sampling of an Ore Containing Coarse Gold Charles E. Locke
The Gay-Lussac Method of Silver Determination Frederic P. Dewey
Biographical Notice of Floris Osmond Albert Sauveur
Valuation of Iron-Mines (with Discussion) James R. Finlay
Blast-Furnace Slag-Analyses for 24 Hours F. L. Grammer
The Microstructure of Sintered Iron-Bearing Materials B. G. Klugh
New Design of Open-Hearth Steel-Furnace Using Producer-Gas (with Discussion) Herbert F. Miller, Jr.
Notes on Cast-Iron (with Discussion) Albert Sauveur
The Production of Solid Steel Ingots (with Discussion) Benjamin Talbot
Piping and Segregation of Ingots of Steel and Ductility-Tests for Open-Hearth Steel Rails P. H. Dudley
The Use of Anti-Piping Thermit in Casting Steel Ingots E. A Beck
Commercial Production of Sound Steel Ingots Emil Gathmann
Plant for Hadfield Method of Producing Sound Steel Ingots (with Discussion) Sir Robert A. Hadfield
Sound Steel Ingots (A Discussion)
Why Does Lag Increase with the Temperature from which Cooling Starts? Henry M. Howe
Comparative Notes on Steel-Rail Rolling Robert W. Hunt

DISCUSSIONS

TITLE AUTHOR
Discussion of Messrs. Graton and Murdoch’s Paper on The Sulphide Ores of Copper. Some Results of Microscopic Study (See p. 26)  

INDEX

TITLE AUTHOR
Index