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Improved Governor for Wind Mills

Cheese as a Digester

American Pearl Fishery

Keeping Lemons Fresh

Gas from Wood

South Carolina Wool

The Pennsylvania State Fair

Curious Fish

Great Railroad Speed

Ohio and Indiana Railroad Convention

Heat—What Is It

Discoveries at Herculaneum

Franklin Institute Fair

Practical Chemistry

Vermont Gold-Spirit of the Age

Steamboat Boiler Explosion


The Odometer

Blind Slot Machine

Glass Lanterns

Improved Wash Stand

Railroad Tickets Not Property

Safety Pinions

Planing and Jointing Shingles

Sawing Machine

Management of Railroad

$570 in Prizes

Wholesale Copying

The State Fair

The French Exhibition Again

Letters Patent

The New York Crystal Palace

The Patent Office

New Material for Bottles

Puzzling Questions

An Iron Coffer Dam


The Tea Trade and Its Frauds

Bank of England Notes

Patent Cases

List of Patent Claims

Terms of Advertising

Important Items

Inventors, and Manufacturers

Curious Spring

On Sumach

History of Reaping Machines,—No. 2

The Valley of Flowers


  • From the Editor

    To Correspondents

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