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For Vegetarians

A Fiendish Plot

Planing, Tongueing and Grooving Machines

Atlanta and La Grange Railroad Georgia

Fall of an Iron Bridge

Laying it on with a Vengeance


A Runaway Locomotive

Southern Vegetable Diet


Cancer Cured

Cingalese Veneration for the Cobra de Capelio

Cotton Growing in the East Indies

Cure for the Dropsy

Egg Hatching in China

Great Fire in Brooklyn

Hempfield Railroad

Infusoria on Teeth

Iron War Vessels not so Strong as Wooden Walls

Electro Magnetism as a Motive Power

Wonderful Case of Injury to the Brain, and Health Restored

Pictish Castles

Plank Roads

New Manure

The Feeding of Silk Worms with a New Food

Projectile for Cutting Rigging of Vessels

American Vessels in England

Capt. Taggart's Flying Machine

Canal Locks Superseded

Drinking Vitriol

Improved Foot Operating Bath

Improved Harpoon

Improved Bedstead

Patent Impuisoria

New and Improved Abdominal Supporter and Chest Expander

Important Railroad Suit

Paine's Electric Light

Steam and Water Engine

Short Review of Gillard's Electric Light, Gesner's Light

Hall for Inventors

List of Patent Claims

Polishing Marble

Scientific Memoranda


An Improved Straw Cutter

Back Volumes Scientific American

Lightning and Lightning Conductors

History of Propellers and Steam Navigation

Henley's Magneto-Electric Telegraph

Pure Water—The Cholera

Tobacco Planting in New York

To Inventors and Mechanics


  • From the Editor

    To Correspondents

  • Letters

    Important Notice To Us!

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July 13, 1850