SA Supplements

November 1879

Volume 8, Issue 203supp

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Features

The English Sparrow

The Gorgon Gnu

The Tiger at Bay

A Tortoise 150 Years Old

Summer Walks After Unseen Things

(Proceedings of the Academy of Natural Sciences, Philadelphia.—Biological and Microscopical Sections, October 20th, 1879)

R. S. Kenderdine

The Sea Serpent

Zinc Veins and Works of Lehigh Valley

Mould as an Insect Destroyer

C. G. Siewers

The Progress of Iron and Steel as Constructive Materials

J. A. Picton

A Pneumatic Elevator

American Engineering—VI

Railway Car Construction, Past and Present

The Dynamical Power of Steam

Hog Cars

The Z System of Block Building

The Casting of the 100-Ton Gun in the Turin Gun Foundry

Properties and Functions of Chlorophyl

Digestive Ferment of Carica Papaya

A. Wurtz, E. Bouchut

The Chloride of Methyl Ice Machine

Compressibility of Gases at High Pressures

E. H. Amagat

A New Method of Preparing Sulphureted Hydrogen

J. Fletcher

Improved Packing Paper

Hydrocarbon from Rosin Oil

W. Kelbe

Kreatinin and Kreatin

Th. Weyl

Aspido Spermin

G. Fraude

A New and Very Powerful Electrical Ozonizer

Virginia

Alkaline Amalgams

M. Berthelot

Consumption

Charles G. Polk

Action of Drugs on the Secretion of Bile

The Role of Pathological Anatomy

J. Cohnheim

The Beginnings and the Development of Life

Edmond Perrier

The End of the Great Captive Balloon

The Solar Temperatures

J. Jansen

Ways of Remembering

J. Mortimer Granville

The Temperature of Carbons Giving the Electric Light

The French Association

A New Form of Leclanche Battery

Sound Vibrations and the Telephone

A. E. Dolbear