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Features

The Telegraphic System of French West Africa

The Origin of the Telephone

The Solenoid Electromagnet

By H. N. Warren

An Improved System of Overhead Connection for Electric Traction

New Dry Dock at Hamburg

Armor Plate Press

Wind as an Aid to Flight

By F. W. Headley

Perpetual Motion.—III

Hydraulic Flanging Press

Improvident Civilization

A Plea for the Application of Scientific Methods to the Amelioration of Socio-Economic Defects and Disorders

By Richard T. Colburn

United States Caviar in Europe

A Skeleton Factory

Village Industries of Russia

The Ashantees in the Zoological Gardens at Vienna

The British Association—Address in Geography

Address by Sir John Evans

Alfred Marshall Mayer

Rosa Wichuraiana

Electrical Notes

Engineering Notes

Miscellaneous Notes

Dr. Mount Bleyer's Treatment for Consumption by Electricity

By J. Mount Bleyer

Patents!

Departments

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