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Bakelite, a New Composition of matter

Its Synthesis, Constitution, and uses

By L. H. Baekeland

Harvard House, Stratford-On-Avon

The Farman Biplane

Full Details of the Aeroplane which Holds the Endurance Record

Vision among Plants

By G. Loucheux

The Measurement of Humidity

The Instruments and Methods Employed

By Samuel K. Patteson

Charles Darwin and Mendelism

Evolution Past and Present

By A. E. Shipley

Superheated Steam Locomotives

Some Recent European Designs by the Paris Correspondent of the Scientific American

Remodeling Gasoline (Petrol) Engines for Producer Gas

By H. F. Smith

The Turbine Yacht “Winchester”

A Fast American Craft Built on the Clyde

Balloons and Dirigibles in War

Considerations for the Strategist of the Future

By H. L. Hawthorne

The Making of Automobile Tires.—II

From Raw Material to Finished Product

By Snowden B. Redfield

A Water Ballast Motor Roller

A New English Invention

By Frank C. Perkins

The Preservation of Roads

Tar as Applied to Surface Treatment

By Hervey J. Skinner

Charting the Heavens

The Meeting of the Permanent International Commission

By Jules Bailland

Ants and their Slave Guests

Trade Notes and Formulæ

Electrical Notes

Engineering Notes


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