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Features

The Equatorial of the Paris Observatory

The Edison Electric Light Co

Injury by Heat

The Life of Stones

Argols

The Cholera in Egypt

Machine for Trimming Paper on Four Sides

Spark Arrester

Fire Escape

Harrow

Plow

Simple Garden Improvement for Promoting Winter Growth

Engraved Eggs

A Massive Scaffolding

The Giant Heron

Belt Holder

Gold Separator

Agricultural Inventions

Mechanical Intentions

Miscellaneous Inventions

Engineering Inventions

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

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December 15, 1883

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