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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

American Inventions in Europe

Official List of Patents

New Publications

Reduce the Cost of Patents

Announcements for the New Volume

What Remains for Inventors

To Our Readers

Steam Plowing in America

The Uses of Snow

Men of Progress—Great Inventors

The Constructive Faculty of the Mind

Micrographs

Answers to Correspondents

Recent American and Foreign Patents

Applications for Extension of Patents

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    Correspondence

  • Index

  • Business and Personal

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Scientific American Health & Medicine

Scientific American Health & Medicine