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The Chinese Calendar

How the Chinese Arrange the Years and Months

By Daniel Arthur

Flame and Ozone

Insect Pests in Agriculture

Their Practical Utilization

Combustion and Explosion.—II

A Primer On Explosives For Coal Miners

By C. E. Munroe and Clarence Hall

New uses of Paper

Migrating Stars

The Origin of Stellar Systems

By See*amp*apos;s Researches

The Seven Wonders of the World

By F. M. Feldhaus

The Wright Injunction.—I

Extracts From the Courts Opinion and the Briefs

An Internal-Combustion Pump.—II

Applications Of A New Principle

By Herbert A. Humphrey

Leonardo Da Vinci.—I

The Engineer And Machinist

By Edward P. Buffet

Trade Notes and Formulæ

Engineering Notes

Science Notes


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