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Rutland Railroad

Auburn and Ithaca Railroad

Buckwheat Separator

Clarification by Eggs, or Gelatinous Substances

Density and Elasticity of Air

Pittsburgh and Connellsville Railroad

Pumpkin Soup

Receipts at the Fair of the American Institute

The Late Steamboat Explosion at New Orleans

The Spirit World

Convention of Iron Masters

Copper at Pittsburg

Correspondence of the Scientific American

Gliddon's Panorama of the Nile

Hartford Arts Union

Interesting Fact in Grafting

New British Coinage

Something for Astronomers to Get Up a Discussion About

Alleged Burying Alive

Worcester Mechanics' Association

The Fastest Steamboat in the World

Telegraph Feats

Paddles for Canals

Practice of the British Courts in Relation to Infringement of Patents

Scientific Memoranda

The Magnetization of Heat

Struggles of Genius

The Author of the Railway System

Blowing Machinery

Foreign Invention

Great Quilt

Lap-Welded Iron Tubes

Large Gasometer

Machine for Cutting Screws on Bed Posts

Machinery for Manufacturing Sugar

New Calculating Machine

Patent Safety Bridle

A New Foreign Gun and a Home Gun

Submarine Plow

Substitute for Tobacco

Cracking of the Glass of a Clock-face

Lectures on the Patent Laws

Lime Burning With Mineral Coal

Another Great Patent Case.--Planing Machines

Interesting Patent Cases

List of Patent Claims

Planing Machine Patent Cases




On the Crank

Death From the Prick of a Pin


  • From the Editor

    To Correspondents

  • To Inventors and Mechanics

  • Letters

    Paine's Hydro Electric Light

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December 08, 1849

20% Sitewide for President's Day