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Features

New Patent Office Rules

The Proposed Ship Canal from the Lakes to the Sea

The Annual War Office Report

A Great Fire in London

A New Type of Bicycle

An Improved Air Motor

A Self-Heating Soldering Iron

The Lachine Rapids Electric Light and Power Plant

Opening of the New Home of the American Society of Civil Engineers

A School Fire Drill

The Feet of Chinese Women

Tusayan Katcinas

Departments

  • Letters

    Correspondence - December 4, 1897

  • Departments

    The Heavens for December 1897

  • Recently Patented Inventions - December 4, 1897

  • Business and Personal - December 4, 1897

  • Index of Inventions - December 4, 1897

  • New Books, Etc. - December 4, 1897

  • Notes and Queries - December 4, 1897

  • Patents - December 4, 1897

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December 04, 1897

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