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Features

The Vessels of Columbus

A New Map of the Planet Mars

Moses S. Beach

Electric Boats and Carriages at the Columbian Exposition

A New and Useful Telephone

Adjustable Embroidery Frame and Table

An Improved Hydraulic Press

A New Mill for Pulverizing

Launch of the Columbia

Ethylene

Fire Department "Cut-Loose"

On the Rim and in the Depths of the Grand Canyon

By H. C. Hovey

Departments

  • Letters

    Correspondence- August 6, 1892

  • Recommended

    New Books and Publications- August 6, 1892

  • Departments

    Business and Personal- August 6, 1892

  • Notes & Queries- August 6, 1892

  • Recently Patented Intentions- August 6, 1892

  • To Inventors- August 6, 1892

  • Index of Inventions- August 6, 1892

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