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Natural Products and Scientific Industry

Petroleum as a Substitute for Turpentine in Paints

The Evolution of Escapements

Rainfall of Great Britain

The Magnitude of the Coal Industry

The Sleeping Sickness

A British Seed-Testing Station

The English Correspondent of the Scientific American

Port Tonnage of the World

Testing the Soundness of Cement

Some New Automobile Accumulators

Contemporary Electrical Science

The Walls of Ancient Troy

Electrical Power in West Africa

On a Principal Cause of the Saltness of the Dead Sea

By William Ackroyd

Colliery Explosion Rescue Work—Some Interesting Experiments

A Novel Method of Transporting Photographic Negatives

Electrical Notes

Some Speculations on the Nature of Comets

Engineering Notes

Trade Suggestions from United States Consuls


Trade Notes and Recipes


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February 27, 1904

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