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Features

Improved Sawing Machine

Photography in the Past Year

Miscellaneous Summary

Government Ordnance Experiments

Progress of Engineering Science

American Dentistry--Process of Setting Teeth on India-Rubber Plates

Steel Boilers

Reformatory Institutions

Drying Flour

A Calamity and its Lesson

The New Revenue Cutters

New York Wharves and Piers

New Work of Art

American Railroads

Turpentine and Benzine

Special Notices

Recent American Patents

Patent Claims

To Our Readers

Patents Granted for Seventeen Years!

The Cheapest Mode of Introducing Inventions

A Valuable Work for Inventors Patentees and Manufacturers

Improved Harvester and Raking Apparatus

Departments

  • Departments

    Correspondence

  • Notes and Queries

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