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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

Drying Flour

A Calamity and its Lesson

Reformatory Institutions

American Railroads

New Work of Art

The New Revenue Cutters

New York Wharves and Piers

Turpentine and Benzine

Patent Claims

Special Notices

Recent American Patents

To Our Readers

Patents Granted for Seventeen Years!

A Valuable Work for Inventors Patentees and Manufacturers

The Cheapest Mode of Introducing Inventions

Improved Harvester and Raking Apparatus


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  • Notes and Queries

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