Volume 7

Title Page

Contents

Officers and Members

Rules

Plates

PROCEEDINGS OF MEETINGS

MEETING	DATE
Chattanooga	May, 1878
Lake George and Lake Champlain	October, 1878
Baltimore	February, 1879

PAPERS:

CHATTANOOGA MEETING May, 1878

TITLE	AUTHOR
Improvements in the Appliances for Venting Molten Steel or Iron from a Casting-ladle or Shoe	J.A. Herrick
A New Steam-engine Indicator	John E. Sweet
The Humboldt-Pocahontas Vein, Rosita, Colorado	R. Neilson Clark
The Mode of Combustion in the Blast-furnace Hearth	Prof John E. Church E.M.
The Heat of the Comstock Mines	Prof John E. Church E.M.
Note on Zircons in Unaka Magnetite	Prof. William P. Blake
Memorandum Relating to the Construction Account of the Rail Mill of the Edgar Thomson Steel Company, Pittsburgh, Pa	P. Barnes
Notes on the Result of an Experiment with the Wheeler Process of Com- binning Iron and Steel in the Head of n Rai	W.E.C. Coxe
The Jenks Corundum Mine, Macon County, N. C.	Rossiter W. Raymond Ph.D.
Thin Plates of Metal	Prof. T. Egleston Ph.D
Note on a Deposit of Cadmia in a Coke Furnace	H. Firmstone

LAKE GEORGE and LAKE CHAMPLAIN MEETING October, 1878

TITLE	AUTHOR
New Determinations of the Coefficients of Friction of Lubricated Journals, and on the Laws governing such Friction	R.H. Thurston A.M. C.E.
Shaft Surveying in the Brown Hematite Mines of Northampton County, Pa	Ellis Clark Jr.
Experiments on the Removal of Carbon, Silicon, and Phosphorus from Pig Iron by Alkaline Carbonates	Dr. Thomas M. Drown
The Production of Charcoal for Iron Works	John Birkinbine
The Butler Mine Fire Cut-off	Henry S. Drinker E.M.
Improved Pipe and Tuyere	John M. Hartman
The Wheeler Process for Welding Iron and Steel without the Use of Fluxes	D. Torrey
The Chemical Composition and Physical Properties of Steel Rails	Charles B. Dudley Ph.D.
Does the Wearing Power of Steel Rails increase with the Hardness of the Steel?	Charles B. Dudley Ph.D.
The Water Supply at the Bessemer Steel Works of the Edgar Thomson Steel Company, Limited, Pittsburgh, Pa.	P. Barnes
Note upon a Peculiar Variety of Anthracite	Eckley B. Coxe

BALTIMORE MEETING February, 1879

TITLE	AUTHOR
The Pernot Furnace	Alexander L. Holley C.E. LL.D
The United States Testing Machine at Watertown Arsenal	Alexander L. Holley C.E. LL.D
The Great Blast at Glendon	Ellis Clark Jr.
The Manufacture of Soda by the Ammonia Process	Oswald J. Heinrich
An Improved Universal Suspended Hydraulic Lift	J.A. Herrick S.B.
Imperfections in Surveying Instruments	John Henry Harden
The Coal and Iron of the Hocking Valley, Ohio	T. Sterry Hunt LL.D. F.R.S.
The Bradford Oil District of Pennsylvania	Charles A. Ashburner
A Method of Rolling Steel or Iron Eye-bars.	Charles MacDonald C.E.
The Lake Superior Copper Bocks in Pennsylvania	J.F. Blandy
Indicator Cards from a Water-pressure Blowing Engine, with a Note on a Proposed Improvement in such Engines	Frank Firmstone
Note on the Determination of Silicon in Pig Iron and Steel	Dr. Thomas M. Drown
Sketches of the New Mining District at Sullivan, Maine	C.W. Kempton
Discussion of Dr. CHARLES B. DUDLEY'S Papers on Steel Rails, Lake George Meeting, October 1877
An Improved System of Cornish Pitwork	Ellsworth Daggett
A Direct Process of Copper Smelting	Henry M. Howe A.M. E.M.
A Catalogue of Official Reports upon Geological Surveys of the United States and Territories, and of British North America	Frederick Prime Jr.

INDEX

TITLE	AUTHOR
Index