SA Supplements

July 1891

Volume 32, Issue 810supp

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Features

Transit in London, Rapid and Otherwise

James A. Tilden

Mine Timbering

Riveted Joints in Boiler Shells

William Barnet Le Van

The New British Battle Ship Empress of India

The “Iron Gates” of the Danube

The New German Ship Canal

The Kioto-Fu Canal, in Japan

Fast and Fugitive Dyes

J. J. Hummel

Composition of Wheat Grain and its Products in the Mill

Precious and Ornamental Stones and Diamond Cutting

George Frederick Kunz

The Electrical Manufacture of Phosphorus

Laying a Military Field Telegraph Line

Some Experiments on the Electric Discharge in Vacuum Tubes

J. J. Thomson

An Electrostatic Safety Device

The Relation of Bacteria to Practical Surgery

John B. Roberts

Experiments with High Tension Alternating Currents

Influence of Repose on the Retina

Sun Dials

The Undying Germ Plasm and the Immortal Soul

R. Von Lendenfeld

Cocos Pynaerti

The Mississippi River

Jacques W. Redway

The Application of Electrolysis to Qualitative Analysis

Charles A. Kohn