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Features

Japan Launches a Larger "Dreadnought"

The President at Panama

English Aeroplane Prizes

Recent Aeronautic Experiments in France

Peat in Italy

The First Machine for the Commercial Production of Window Glass by the Sheet Process

The Interior Construction of a Piano Player

Present Conditions at Panama

The Ancestors of the Elephant

Beautifying the Roadbed by Sodding

Pollen-Collecting Device

An Improved Tie-Bar

Patent Department

A Novel Two-Part Hook

Business and Personal Wants

Departments

  • Departments

    The Heavens in December

  • Recently Patented Inventions

  • Notes and Queries

  • New Books, Etc.

  • Index of Inventions

  • Patents

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December 01, 1906

Complex Causes. Alternative Solutions.