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Features

Electric Light and Vegetable Growth

An Improved Oil Can

New Principle Ventilating Water Closet

A Device to Close Elevator Shafts

The Invention of the Incandescent Electric Lamp Awarded to Edison

Aluminum Electro-Plating in Architecture

A New Air Ship

The World'a Columbian Exposition

Vibratory Therapeutics

To Inventors - October 22, 1892

Departments

  • Letters

    Correspondence- October 22, 1892

  • Recommended

    New Books and Publications- October 22, 1892

  • Departments

    Recently Patented Inventions- October 22, 1892

  • Business and Personal- October 22, 1892

  • Notes and Queries- October 22, 1892

  • Index of Inventions- October 22, 1892

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