Volume 20

Title Page

Preface

Contents

Officers

List of the Meetings

Publications

Rules

PROCEEDINGS OF MEETINGS

MEETING	DATE
Dedication of the Holley Memorial	October, 1890
Cleveland Meeting	June 1891
Glen Summit Meeting	October, 1891

PAPERS:

CLEVELAND MEETING June, 1891

TITLE	AUTHOR
The Construction of Details for a Modern Lixiviation-Plant	C.A. Stetefeldt
The Precipitation of Metals from Hyposulphite Solutions	C.A. Stetefeldt
The Refining of Sulphides Obtained in the Lixiviation Process with Hyposulphite Solutions	C.A. Stetefeldt
Geological Notes on the Manganese Ore-Deposit of Crimora, Virginia	Charles E. Hall
The Alluvial Tin-Deposits of Siak, Sumatra	Charles M. Rolker
Explosions from Unknown Causes. [Discussion of the Paper by Mr. Bayles, Transactions, xix., p. 18]	George Ross Green
Chinese Silver-Mining in Mongolia	H.F. Dawes
Methods of Working and Surveying the Mines of the Longdale Iron Company, Virginia	Guy R. Johnson
A Compound-Plunger Hydraulic Pump	Earnest R. Woakes
Experiments with the Imperatori Process at Croton Magnetic Mine, New York	J.B. Nau
The Mount Morgan Mine, Queensland	T.A. Rickard
Sampling Ores without Use of Machinery	William Glenn
Stone-Coal in the Lead Blast-Furnace	James W. Neill
Some Ontario Magnetites [Discussion of the Paper by Mr. Ledyard, Transactions, xix., p. 28]	R.W. Raymond
Notes on Some of the Magnetites of Southwestern Virginia and the Contiguous Territory of North Carolina	H.B.C. Nitze
Sinking Through Wet Gravel and Quicksand near Norway, Mich.	William Kelly
The First Iron Blast-Furnaces in America	W.H. Adams
A Review of the Iron-Mining Industry of New Jersey	John C. Smock
The Physical and Chemical Equations of the Open-Hearth Process. [Discussion of the Paper by Mr. Campbell, Transactions, xix., p. 128]	Henry D. Hibbard
Aluminum in Steel Ingots	John W. Langley
International Standards for the Analysis of Iron and Steel. [Continuation of the Paper, Transactions, xix., p. 614]	John W. Langley
The Direct Determination of Aluminum in Iron and Steel	Thomas M. Drown and Alex G. McKenna
Electricity in Welding and Metal-Working	A.B. Wood
American Blast-Furnace Practice. [Discussion at Cleveland Meeting]
Some Experiments on Blast-Furnace Gases	Jasper Whiting
Manganese in Cast-Iron	W.J. Keep

GLEN SUMMIT MEETING October, 1891

TITLE	AUTHOR
Electricity in Mining as Applied by the Aspen Mining and Smelting Company, Aspen, Colo.	M.B. Holt
A Chinese System of Gold-Milling	Henry Louis
The Manufacture of Liquid Sulphurous Acid in Upper Silesia	Karl Eilers
Tandem Tanks for Hoisting Water from Flooded Slopes	J.H. Bowden
Apparatus for the Manipulation of Iron and Steel Plates During the Process of Finishing	Gram Curtis
The Handling of Ingots and Moulds in Bessemer Steel-Works	Gram Curtis
Electric Locomotives in German Mines	Karl Eilers
Notes on the Iron-Ores of Danville, Pennsylvania, with a Description of the Long-Wall Method of Mining Used in Working them	H.H. Stoek
The Utilization of Puddle- and Re-Heating Slags for Paint-Stock	Axel Sahlin
Mining in Honduras	W.A. Thatcher
The Fuel-Supply of the United States. [Presidential Address at Glen Summit]	John Birkinbine
A New System of Ore-Sampling	H.L. Bridgman
The Florence Oil-Field, Colorado	Geo. H. Eldridge
The Bendigo Gold-Field	T.A. Rickard
Cord-Wood in the Matting Blast-Furnace	Herbert Lang
Results of Stream-Measurements of the United States Geological Survey	F. H. Newell
The Magnetic Concentration of Iron-Ore. [Discussion at Glen Summit Meeting]
The Use of Magnetic Concentrates in the Port Henry Blast-Furnaces	N.M. Langdon
Practical Results in the Magnetic Concentration of Iron-Ore	W.H. Hoffman
The Determination of Iron in the Tails from Magnetic Concentration	E.K. Landis
Note on Sampling Iron-Ore	E.K. Landis
The Preparation and Utilization of Small Sizes of Anthracite. [Discussion at Glen Summit Meeting]
The Utilization of Anthracite Waste by Gasification in Producers	W.H. Blauvelt
The Use of the McClave Grate and Argand Steam-Blower in Utilizing Small Sizes of Anthracite, or Bituminous Slack, in Boiler and Similar Furnaces	Rufus J. Foster
Centrifugal Ventilators	R. Van A. Norris
The Tests and Requirements of Structural Wrought-Iron and Steel	Alfred E. Hunt
A Hand-Telescope for Stadia-Work	Robert H. Richards
Photographic and Co-Ordinate Surveying	Henry M. Stanley
Notes on a Novel Cable-Transfer for Railroad Cars, and the Use of the Patent- Locked Wire Rope	E.G. Spilsbury

INDEX

TITLE	AUTHOR
Index
General Index Volumes XVI to XX