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The Peoples of India during the Reign of Queen Victoria

By William Lee-Warner

Nansen's Reception in England

Hoar Frost as a Fertilizer

The Geographical Distribution of the Mineral Springs of the United States

By A. C. Peale

Bulbophyllum Ericssoni

Kranzlin, n. sp

Relative Efficiency of Animals as Machines

By Manly Miles

Conventional Diagrams of Electrical Apparatus

By D. W. C. Tanner

Laboratory Apparatus for Testing Gas Coals

By G. Jouanne

Street Traction in France

The New German Mail Steamer Konig

Rack Rail Locomotives, Damascus Railway

Railway Postal Cars

Economical High Speed Engines

George Stephenson's Rocket—A Historical Difficulty Explained

Recent Developments in Gas Engines

A New Bicycle Sleigh

Hunchbacks Cured

Opium Addiction: Is it a Disease?

By William Huntly

Electrical Notes

Miscellaneous Notes

Engineering Notes


Selected Formulæ


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