SA Supplements

September 1880

Volume 10, Issue 245supp

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Features

Improved Heilmann Combing Machine

Machine for Making Tan-Bark Fuel

The Dobby Machine of Ainsworth

The Railway Tunnel Between France and England

Flexible Couplings for Screw Shafts

The Rigi Railroad

The Gas Works of Brussels, Belgium

Improved Calendering Machinery

Alarm Water Gauge

Details from St. Albans

American Cements

The Herdic Coach

The Earth as a Conductor of Electricity

John Trowbridge

The Origin of the Indian

The Consumption of Paper

Improvements in Coils of the Siemens Type

G. Trouv*amp*eacute;

New Dielectric Machine

Abbe Le Dantec

On The Color Relations of Nickel and Cobalt

James Bottomley

The Electric Discharge in Gases

A Theory of Sewer Gas

P. H. Vander Weyde

New Aniline Colors

K. Engan

Printing Aniline Black with Vanadium

Explosive Mixtures of Coal Gas and Air

W. Foster

Incombustible Tissues, Especially Curtains Ball Dresses, Etc.

Constancy of Carbonic Acid in the Air

T. Schloesing

On The Analysis of Soaps

Jul. Loewe

Tobacco Smoking Experiments

Alizarin Blue

C. Graebe

Aniline Black Dyeing by Means of Vanadium

Rupture of the Membrana Tympani

Cornelius R. Agnew

The Manufacture of Aluminum, Sodium, and Similar Metals

The Solution of Platinum in Sulphuric Acid

M. Scheurer-Kestner

Ytterbium

L. F. Nilson

Notes Respecting the Royal Observatory

Influence of Impure Water on Health

R. Emmerich

The Cyclograph

Cotton Seed Oil Cake as a Fertilizer and Food

Wm. L. Dudley

Japanese Inundation Fever

Copper in Plants Which Grow on Primordial Rocks

Dieulafait.

The Geyser Region in the National Park

The Geological History of the North American Flora

J. S. Newberry

Result of Drying Seeds

E. Wollny