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Halifax and Quebec Railway

Crossing the Atlantic in Seven Days

To Make Pearls

Bright Nights

Long Train


Rotary Board and Log Rule and Measure


Farmers, Make Your Own Candles

Fire-Proof Buildings

An English Legal Decision

The Comet

The Siamese Twins Dead

Death of an Inventor

Tall Work

Terrible Fire in Philadelphia

An Interresting Relic

American Steamships

Large Hammer

Manufactures in Providence, RI

Mr. Paine Literally Blown Up

Monster Dividend

Ohio State Board of Agriculture

A Gold Placer on the Arkansas River

A Scene Altogether American

Society of Public Health

Experiments with Galvanized Wire and Hemp Ropes

Great Steamboat Speed

East India Antiquities

The Elephant and the Camel

Charleston Cotton Manufacturing Co.

Delaware Powder

Improvement in Photography

Interesting Discovery near Pittsburg



Rapid Travelling

Scientific Memoranda

Will Saltpetre Explode

Water Versus Steam Power

Wheeling Bridge

Stereolaic Cloth

Improved Churn

New Ink

New Method of Refining Gold

New Locomotive and Value of its Patent

New Tent

New Oyster Opener

Register Hygrometer

Remington's Bridge

A Useful Machine

Filligree Work

Death of the President

The Scientific American

New Method of Tanning

Pennington's Aerial Ship

Responsibility of Editors

Explosion of Steam Boilers

Reform of the Patent Laws

List of Patent Claims

An Improved Straw Cutter

Back Volumes Scientific American

History of Propellers and Steam Navigation

Strange Phenomenon

Lord Rosse's Telescope and the Binary Stars

Lightning and Lightning Conductors

To Inventors and Mechanics


  • From the Editor


  • To Correspondents

  • Letters

    Important Notice To Us!

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July 20, 1850

20% Sitewide for President's Day