Scientific American Magazine Vol 95 Issue 13

Scientific American Magazine

Volume 95, Issue 13

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Features

Agriculture the True Source of Our Wealth

Wireless Telegraphy and Telephony in the Japanese Navy

A Suggested Cure of Gun Erosion

The Erection of the Quebec Bridge

An Improved Ozone Generator

Charles H. Coar

A Home-Made Equatorial Mounting for Telescopes

Carl L. Gruppen

Machines in the Elimination Race for the Vanderbilt Cup

Some Remarkable Results with Armor-Piercing Shells

An Improved Cutter Head

An Improved Window Raising and Locking Device

Business and Personal Wants

Departments

The Heavens in October

Correspondence

Index of Inventions

Recently Patented Inventions

Patents