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Features

Travels among the Great Andes of the Equator

By T. G. Bonney

The Bamboo

The Genus Bambusa and its Allies

By Eugene Murray Aaron

The Maya Race in Central America

Scarlet Runner Beans

The Forests of California

The Cheapest Nitrogen and Phosphate

How are Nitrogen and Phosphoric Acid to be Obtained in the Cheapest Way?

Apparatus for Spraying Grapevines

The Sewage Farms of Berlin

Sweet Potato Culture

On Peroxide of Hydrogen: A Physical-Medical Research

By Benjamin Ward Richardson

A Giant Lighthouse Lens—Quadrilateral Arrangement

By J. R. Wigham

The German Emperor and his Navy

By Charles Lowe

The Work of Removing the Rocks at the Iron Gates on the River Danube

A Hand Telescope for Stadia Work

By Robert H. Richards

Parkinson's Oxygen Gas Process

Metals at High Temperatures

By W. C. Roberts-Austen

Experiments upon Surface Films

By Lord Rayleigh

Patents!

Talc—French Chalk

Useful Engineering Books

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    June 11, 1892

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