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Dressing and Dyeing of Aquatic Furs

By Charles. H. Stevenson

Petroleum as a Substitute for Turpentine in Paints

Natural Products and Scientific Industry

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

Testing the Soundness of Cement

Port Tonnage of the World

Some New Automobile Accumulators

Electrical Power in West Africa

The Walls of Ancient Troy

Contemporary Electrical Science

A Novel Method of Transporting Photographic Negatives

Colliery Explosion Rescue Work—Some Interesting Experiments

On a Principal Cause of the Saltness of the Dead Sea

By William Ackroyd

Some Speculations on the Nature of Comets

Electrical Notes

Engineering Notes

Trade Suggestions from United States Consuls


Trade Notes and Recipes


  • Departments

    Correspondence - February 27, 1904

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