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Westward Migration of Earthquakes

When the Sun is Extinguished

What Would Happen

By M. Wilhelm Meyer

Crocodile Reminiscences

Local Tales and Superstitions

By A. Cavendish

Modern Fortifications

The Principle of their Construction

Protoplasm in Harness

The Wonders of Former and Present Physical Measurement

To make Plastite Mass

Technological Chemistry

Its Development During the Last Forty Years

By O. N. Witt

Liquid Air and Oxygen

Some New Uses

The Urania-Zürich Equatorial Telescope

An Electrically Controlled Instrument

By Frank C. Perkins

Scientific Acceleration and Braking

Photographing from an Aeroplane

Pictures Taken from Latham'S “Antoinett E.”

Experiments with Wireless Weather Signals from the North Atlantic

Flying in the Future

The Machine and the Aviator Some Years Hence

By Charles Cyril Turner

The Energy of a Steam Boiler

Turbines in Warships

Progress in Wireless Telegraphy.—II

A Nobel Prize Lecture

By Guglielmo Marconi

Bamboo Paper

The Seismic Period of 1909

A Critical Consideration of Recent Earthquakes

By Lieutenant John C. Soley

The Evolution of the Brain

The Origin of Neopallium

Trade Notes and Formulæ

Science Notes

Accuracy of Gas-Engine Indicators


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