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Turning Lathe

Self-Regulating Water Gate

Power of Cocoa

Useful Varnishes

The Art of Dyeing--No. 15

Railroads Wanted

Power Loom Shuttle Guard


Improved Dredging Machine

Errata--Moving a Boat Against the Wind

Coffee Leaf

Charcoal Furnaces

Activity Among Inventors

A Deep Spring

The Scientific American

The New Postage Law

A Bad Habit

Proving of the Gravitation Theory


Heating Factories with Steam--Its Economy

An Excellent Paste for Envelopes

American and English Flour


About Mosquitoes

Steam Engine Governor

Railroad Station Directory

Operating Valves of Direct-Acting Steam Engines

Machine for Planting Potatoes

Steam Versus Ether

Progress of the Telegraph

Testing Lubricating Oils

Steel and Iron

List of Patent Claims

Force of the Wind in a Tornado

Florida Cochineal

Deterioration of Brass

A Substitute for Guano

A Great German Skeleton

Important Items

History of Reaping Machines--No. 26


Inventors, and Manufacturers


  • Letters

    To Correspondents

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April 07, 1855

20% Sitewide for President's Day