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Features

A Point in Boiler Construction

West Point Methods for Sandhurst

Ventilation of Underground Roads

The Emerald Industry of Colombia

Our Fastest Battleship

Electric Glass Smelting

Another Great Hydraulic Electric Power Plant

Where Wood Engraving Originated

The Supplanting of Agriculture by Chemistry

A New System of Sinking Shafts

New Ten-Wheeled Passenger Engine

Hydraulic Process for Manufacturing Gun-Cotton Charges

Schneider-Canet Launching Apparatus for Submarine Torpedoes

The New York Edison Power Station

Shade-Grown Tobacco

By Waldon Fawcett

Remarkable Blasting Operations in Slate Quarries

Largest Watch in the World

The New Russian Battleship "Kniaz Potemkin Tavritchesky"

A New Saw-Clamp

Oddities in Inventions

Business and Personal Wants

Departments

  • Departments

    The Heavens in September, 1902

  • Correspondence - September 6, 1902

  • Legal Notes - September 6, 1902

  • Recently Patented Inventions - September 6, 1902

  • Index of Inventions - September 6, 1902

  • New Books Etc. - September 6, 1902

  • Patents - September 6, 1902

  • Notes and Queries - September 6, 1902

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September 06, 1902

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