Volume 38
Containing the Papers and Discussions of 1907

Title Page

Preface

Contents

Officers

Past Officers

Honorary Members

List of the Meetings

Publications

Certificate of Incorporation

Constitution and By-laws

Annual Meeting

Acts of the Board of Directors for the Year 1906

Report of the Council for the year 1906

Memberships

Dedication Exercise of the United Engineering Society Building

PROCEEDINGS OF MEETINGS

MEETING	DATE
New York Meeting	April, 1907
Toronto Meeting	July, 1907

PAPERS:

NEW YORK MEETING April, 1907

TITLE	AUTHOR
Piping and Segregation in Steel Ingots (London Meeting)	Henry M. Howe
The Influence of the Conditions of Casting on Piping and Segregation, as Shown by Means of Wax Ingots	Henry M. Howe and Bradley Stoughton
An Early Instance of Blowing-In Without "Scaffolding-Down."	Frank Firmstone
Laboratory Experiments in Lime-Roasting a Galena-Concentrate with Reference to the Savelsberg Process	H.O. Hofman, R.P. Reynolds and A.E. Wells
The Constitution of Ferro-Cuprous Sulphides	H.O. Hofman, W.S. Caypless and E.E. Harrington
Relative Elimination of Iron, Sulphur, and Arsenic in Bessemerizing Copper- Mattes	E.P. Mathewson
Roasting of the Argentiferous Cobalt-Nickel Arsenides of Temiskaming Ontario, Canada	Henry M. Howe, William Campbell and Cyril W. Knight
Study in Refining and Overpoling Electrolytic Copper	H.O. Hofman, R. Hayden and H.B. Hallowell
Grinding in Tube-Mills at the Waihi Gold-Mine, Waihi, New Zealand	E.G. Banks
The Butters Slime-Filter at the Cyanide Plant of the Combination Mines Company, Goldfield, Nev.	Mark R. Lamb
Velocity of Galena and Quartz Falling in Water	Robert H. Richards
Chlorination of Gold-Ores ; Laboratory-Tests	A.L. Sweetser
The Formation and Enrichment of Ore-Bearing Veins	George J. Bancroft
The White Knob Copper-Deposits, Mackay. Idaho	J.F. Kemp
The Extraordinary Faulting at the Berlin Mine, Nevada	Ellsworth Daggett
Geology of the Exposed Treasure Lode, Mojave, California	Courtenay de Kalb
The Ore-Deposits of the Joplin Region, Missouri	F.L. Clerc
The Vein-System of the Standard Mine, Bodie, Cal.	R. Gilman Brown
Barite Associated with Iron-Ore in Pinar del Rio Province, Cuba	Charles Catlett
Mining Operations in New York City and Vicinity	H.T. Hildage
The Verschoyle Pocket Transit	W. Denham Verschoyle
Biographical Notice of William George Neilson	John Birkinbine
Biographical Notice of Thomas Septimus Austin	Arthur S. Dwight
Blow-Holes in Steel Ingots	E. von Maltitz
Search for the Causes of Injury to Vegetation in au Urban Villa Near a Large Industrial Establishment	Persifor Frazer
Bibliography of Injuries to Vegetation by Furnace-Gases	Persifor Frazer
The Presence of Gold and Silver ill Deep-Sea Dredgings	Luther Wagoner
Deutschman's Cave, Near Glacier, B. C., Canada	W.S. Ayres

TORONTO MEETING July, 1907

TITLE	AUTHOR
Zinc Oxide in Iron-Ores, and the Effect of Zinc in the Iron Blast-Furnace	John J. Porter
Secrecy in the Arts	James Douglas
The Electric-Air Drill	William L. Saunders
The Panoramic Camera Applied to Photo-Topographic Work	Charles Will Wright
The Wilfley Table, I	Robert H. Richards
Coal-Briquetting in the United States	Edward W. Parker
Pure Coal as a Basis for the Comparison of Bituminous Coals	W.F. Wheeler
The Production of Converter-Matte from Copper-Concentrates by Pot-Roasting and Smelting	George A. Packard
The Effect of High Litharge in the Crucible-Assay for Silver	Richard W. Lodge
Chronology of Lead-Mining in the United States	W.R. Ingalls
Physical Factors in the Metallurgical Reduction of Zinc Oxide	Woolsey McA. Johnson
Geology and Mining of the Tin-Deposits of Cape Prince of Wales, Alaska	Albert Hill Fay
The Occurrence of Nickel in Virginia	Thomas Leonard Watson
The Present Source and Uses of Vanadium	J. Kent Smith
Quantitative Field-Test for Magnesia in Cement-Rock and Limestone	Charles Catlett
Geology of the Virginia Barite-Deposits	Thomas Leonard Watson
The Promontorio Silver-Mine, Durango, Mexico	Francis Church Lincoln
The Evergreen Copper-Deposit, Colorado	Etienne A. Ritter
Geological Relations of the Scandinavian Iron-Ores	Hjalmar Sjögren
The Tar-Sands of the Athabasca River, Canada	Robert Bell
Destruction of the Salt-Works in the Colorado Desert by the Salton Sea	William P. Blake
Ore-Deposits of the Eastern Gold-Belt of North Carolina	W.O. Crosby
The Corrosion of Water Jackets of Copper Blast-Furnaces	George B. Lee

DISCUSSIONS

TITLE	AUTHOR
Of Mr. Grarnmer's Paper on Flue-Dirt and Top-Pressure in Iron Blast-Furnaces: A Study of the Influences Controlling Them (see Trans., xxxiv., 92) ; and of Mr. Johnson's Paper on Physical Action of the Blast-Furnace (see Trans., xxxvi., 454)
Of Mr. Meissner's Paper, Notes on the Gayley Dry-Air Blast-Process (see Trans., xxxvii., 201)
Of Messrs. Gibb and Philp's Paper on The Constitution of Mattes Produced in Copper-Smelting (see Trans., xxxvi., 665)
Of Mr. Colby's Paper on Comparison of American and Foreign Rail-Specifications, with a Proposed Standard Specification to Cover American Rails Rolled for Export (see Trans., xxxvii., 576)
Of Mr. Howe's Paper on Piping and Segregation in Steel Ingots (see p. 3)
Of Messrs. Hofman, Reynolds, and Wells's Paper on Laboratory Experiments in Lime-Roasting a Galena-Concentrate (see p. 126)
Of Mr. Mathewson's Paper on Relative Elimination of Iron, Sulphur and Arsenic in Bessemerizing Copper-Mattes (see p. 154)

INDEX

TITLE	AUTHOR
Index
Errata