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Features

Seymour's Patent Pocket Boot-Jack

Improved Horse-Power Fire Engine, Novel Trout Fishing

Railway Bridge Across the Seine

The Spectroscope and Aurora Borealis

By Daniel Knode Winder

Official List of Patents

American Inventions in Europe

New Publications

Reduce the Cost of Patents

The Uses of Snow

Steam Plowing in America

To Our Readers

What Remains for Inventors

Announcements for the New Volume

Men of Progress—Great Inventors

The Constructive Faculty of the Mind

Micrographs

Answers to Correspondents

Applications for Extension of Patents

Recent American and Foreign Patents

Departments

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    Correspondence

  • Business and Personal

  • Index

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