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Features

The Equatorial of the Paris Observatory

Injury by Heat

The Life of Stones

The Edison Electric Light Co

Argols

The Cholera in Egypt

Machine for Trimming Paper on Four Sides

Spark Arrester

Fire Escape

Plow

Harrow

Simple Garden Improvement for Promoting Winter Growth

A Massive Scaffolding

Engraved Eggs

The Giant Heron

Belt Holder

Gold Separator

Agricultural Inventions

Miscellaneous Inventions

Mechanical Intentions

Engineering Inventions

Departments

  • Departments

    Correspondence

  • Business and Personal

  • Index of Inventions

  • Notes and Queries

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December 15, 1883

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