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Features

Congress and the International Patent Convention

The Annual Bicycle Exhibition at the Grand Central Palace, New York

A Gold Medal for Nansen

The Late Richard Pope

Strength of Welds

Archological News

A New Business-Patent Sharks

A New Roller Bicycle Brake

An Improved Valve

An Adjustable Pipe Wrench

Vaporization in Tubes

Quintin Massys' Well

The Timber Dry Docks at the Brooklyn Navy Yard

A New House Bicycle

Notes and Sketches at the Annual Bicycle Show, New York City

To Inventors - February 20, 1897

Departments

  • Letters

    Correspondence - February 20, 1897

  • Recommended

    New Books and Publications - February 20, 1897

  • Departments

    Business and Personal - February 20, 1897

  • Recently Patented Inventions - February 20, 1897

  • Notes and Queries - February 20, 1897

  • Index of Inventions - February 20, 1897

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February 20, 1897

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