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Features

Rutland Railroad

Pittsburgh and Connellsville Railroad

Receipts at the Fair of the American Institute

Auburn and Ithaca Railroad

Pumpkin Soup

Density and Elasticity of Air

Clarification by Eggs, or Gelatinous Substances

Buckwheat Separator

Hartford Arts Union

New British Coinage

Correspondence of the Scientific American

The Spirit World

Gliddon's Panorama of the Nile

Copper at Pittsburg

The Late Steamboat Explosion at New Orleans

Convention of Iron Masters

Worcester Mechanics' Association

The Fastest Steamboat in the World

Something for Astronomers to Get Up a Discussion About

Alleged Burying Alive

Interesting Fact in Grafting

Telegraph Feats

Struggles of Genius

Practice of the British Courts in Relation to Infringement of Patents

Paddles for Canals

Scientific Memoranda

The Magnetization of Heat

New Calculating Machine

Blowing Machinery

Substitute for Tobacco

Patent Safety Bridle

Great Quilt

Submarine Plow

Large Gasometer

Machinery for Manufacturing Sugar

Lap-Welded Iron Tubes

Foreign Invention

Machine for Cutting Screws on Bed Posts

The Author of the Railway System

A New Foreign Gun and a Home Gun

Lime Burning With Mineral Coal

Cracking of the Glass of a Clock-face

Lectures on the Patent Laws

Another Great Patent Case.--Planing Machines

Interesting Patent Cases

Planing Machine Patent Cases

List of Patent Claims

Models

Notice

Platinum

On the Crank

Death From the Prick of a Pin

Departments

  • From the Editor

    To Correspondents

  • To Inventors and Mechanics

  • Letters

    Paine's Hydro Electric Light

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December 08, 1849

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.