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Scientific American Magazine Vol 84 Issue 23

Scientific American Magazine

Volume 84, Issue 23

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Features

Comparative Efficiency of Krupp and Other High-Power Guns

Growth of the Tinfoil Industry

Hydraulic System of Air Compression

The Canadian Route from the Great Lakes

Wireless Telegraphy for the Prevention of Shipping Disasters

Methods Proposed for Dealing with London's Congested Traffic

Copper Mining in America

Waldon Fawcett

A New Flying Machine

Electric Automobile--Krieger System

A Whistling Arc

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

Correspondence - June 8, 1901

Recently Patented Inventions - June 8, 1901

Notes and Queries - June 8, 1901

New Books, Etc. - June 8, 1901

Index of Inventions - June 8, 1901