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Features

Improved Card Press

The Mechanical Theory of Heat

Science Made Popular

Professor Faraday's Lectures on the Physical Forces

Giffard's Injector

Agriculture in the United States

Improved Foam Collector

Fairfax's Belt Coupling

Experiments at the Metropolitan Mills

American Naval Architecture

A Decisive Experiment in Favor of Expansion

Night Air

A Column of Varieties

Enthusiastically Complimentary

Improvement in Electro-Magnets

A Great Field for Chemical Inventions

Great Trials of Mowing and Reaping Machines in France

Are Gravity and Electricity the Same Thing?

Facing Forts with Iron Plates

The Steam Plow-Fawkes' and Others

New Books and Periodicals Received - October 20, 1860

Patent Claims

The Last Cotton Crop

Recent American Inventions - October 20, 1860

Money Received

The Rise and Progress of Inventions

Rates of Advertising

Useful Hint to Our Readers

Great Feat of the Blandy Steam Engine

Improvement in Governors for Steam Engines

Mechanics

New Economical Paint with the Oxichloride of Zinc

The Novel Feat in Engineering

Departments

  • Letters

    Interesting Correspondence

  • Departments

    Notes and Queries - October 20, 1860

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October 20, 1860