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Features

Detection of Sulphurous Acid in Foodstuffs

Newport Conference Approves Designs of New Battleships

Legislation to Prevent Forest Fires

Electricity

Science

Engineering

Brazilian Battleship "Minas Geraes"—Most Powerful Fighting Ship Afloat

A Hydraulic Drive System

New Discoveries about Lightning

By James Cooke Mills

Progress on the Panama Canal

Santos Dumont's Latest Aeroplane

The Fourth Aeroplane of the Aerial Experiment Association

Mechanism of the Ovipositor Drill

By S. Frank Aaron

Brake Mechanism for Wagons

Patent Department

Novel Boat-Propelling Device

Grain-Washing Machine

Improved Railroad Tie

Departments

  • Departments

    Correspondence

  • Recently Patented Inventions

  • Notes and Queries

  • Index of Inventions

  • New Books, Etc.

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December 12, 1908

Think Outside the Gift Box