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Relation of Rainfall to Boiler Scale

Opening of the New St. Lawrence Canal Locks

"The Wish Is Father to the Thought"

Tunnels Versus Bridges for Rapid Transit

Our Exports of Iron and Steel

New York's Trade in Wild Animals

Ancient Egyptian Porcelain

Tropical Products of Our New Possessions

"Advance Sheets" of the German Consular Reports

The Automobile Cup

Railway Safety Appliances - December 16, 1899

The Naval Guns at Ladysmith

Hauling Logs by Motor Trucks

A Tool for Reloading Empty Cartridge Shells

The Engines of the First-Class Battleship "Wisconsin"

The Trojan Horse at the Paris Opera House

A California Verde Antique Quarry

By Charles F. Holder

A New Safety Valve

A New form of Fire-Escape and Lowering Apparatus

A Novelty in Railroad Collisions

A Switch-Throwing Device for Cars

How Sculptors Change the Scale of Their Statues


  • Letters

    Correspondence - December 16,1899

  • Recommended

    New Books, Etc - December 16,1899

  • Departments

    Recently Patented Inventions - December 16, 1899

  • Notes and Queries - December 16, 1899

  • Business and Personal - December 16, 1899

  • Index of Inventions - December 16,1899

  • Patents - December 16, 1899

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December 16, 1899

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