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There is Good in the World


Baltimore and Ohio Railways


Hints to Wives

New York and Boston Railroad

Patch's Propeller

Preventive Railway Collisions

Riches and Poverty

Railway Accidents

Opposition of Improvements

Vancouver's Island and the Hudson's Bay Company

The Artesian Well at New Haven

The Fair of the American Institute

No. 2 Gold Pens

M. Leverrier's Planet

New Use for Caster Oil

Honesty and Restitution in a Cod Fish

How Far the Provision of Food is Due to the Labor of Man

The Benefit of the Swallow


Formation of Hail

The Lakes

The Electric Telegraph

Planing Rived Staves

Improved Locomotives

Improvement in Railroad Switches

Thermometer and Gravitating Clock

List of Patents

The Scientific American

Associations of Capital and Labor

Suspension in the Coal Trade

Changes Produced by Railroads


Female Medical Instruction

The Great Fair

Liberia Coffee

Patent Laws.--Selling Before the Issue of a Patent

Turning of Irregular Forms

Singular Insanity in Paris

Something for All

Adulteration of Bread


Influence of Sounds on the Elephant and Lion

Reply to J. K. Eldridge

Increase of American Exports

Lead Pipes and Water

Patent Office Business

The Best Mechanical Paper

History of the Rotary Engine

New Chemical Law

Mock Cream

Fire Cements

How to Make Leeches Bite

To Stew Pumpkins


  • From the Editor

    To Correspondents

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October 21, 1848

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