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Features

Comparative Efficiency of Krupp and Other High-Power Guns

The Canadian Route from the Great Lakes

Hydraulic System of Air Compression

Growth of the Tinfoil Industry

Methods Proposed for Dealing with London's Congested Traffic

Wireless Telegraphy for the Prevention of Shipping Disasters

Copper Mining in America

By Waldon Fawcett

A New Flying Machine

Electric Automobile--Krieger System

A Whistling Arc

By Frank C. Daniel

Launch of the Battleship Ohio

The Cultivation of Cocoa in the West India Islands

A New Metal Railway Tie

A Pneumatic Spring for Vehicles

A Supplemental Seat for Vehicles

Business and Personal Wants

Departments

  • Departments

    Correspondence - June 8, 1901

  • Recently Patented Inventions - June 8, 1901

  • Index of Inventions - June 8, 1901

  • New Books, Etc. - June 8, 1901

  • Notes and Queries - June 8, 1901

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June 08, 1901