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Coal Mining in Illinois

Dangerous Eating

Railroads of the United States

Report of the New England Inventors and Mechanics Industrial Exhibition

Zinc, and Its Uses

Theory of Odors

Philosophical Inquiry

List of Patent Claims

The Fate of Mummies

Floating Mahogany Logs

Regenerative Steam Engine

Photographic and Stereoscopic Angles--The True Theory

Recent American Patents

Improvement in Hoisting Blocks

Salt to Remove Ice

Life Boats

Registering Thermometer

Death of an Inventor

Marble and Marble Sawing Invention

The Woodworth Patent Extension--Appeal to Governors and State Legislatures

Heat and Cold Phenomena--The Cause

Life Benevolent Association

History of Gas Lighting--Who Was Its Inventor

Remonstrances to the Woodworth Patent Extension

Important to Inventors and Model Makers

Water Wheel Railroad

Fish Breeding Not a New Art

Recent Foreign Inventions

Safety of Railway Travelling in England, Car Axies, &C

Spiking Logs--Floating Some and Sinking Others

Thanks to Dr. Kane

Important Items

Improved Tidal Water Wheel


Round and Long Heads

Old Babylon

A Great Iron Steamsphip

Stormy Sundays

To Manufacture Acetates or Lead


  • Letters

    Our Foreign Correspondence

  • To Correspondents

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