Skip to main content

Features

Brown's Eccentric Progressive Power Press

Baltimore and Ohio Railroad

The Passions of the Mind

Narcotics

Groshon's Patent Corn Planter

Dangerous Pleasures

To Purify Covered Wells from Foul Air

The North Carolina Central Railroad

Preserving Tobacco

To Make Good Current Wine

Poison Balls for Rats and Roaches and other Vermin

Fulton and John Fitch

Wearing Away of a Shoal

The Bird and the Snake

New Use for Opera Glasses

Southern Machine Shop

Decay of Peach Trees

Relics of Franklin

Indian Numerals

Death of Miss Jane Porter

A New Propeller

That Mummy

Telegraph Between England and Russia

Gigantic Reptile

Asphaltum of New Brunswick

A New Colony in Georgia

Philosophy of Mechanics

Icebergs in the Atlantic

A New Discovery in Aerostation

Parker's Reaction Water Wheels

The Cotton Crop

Pocket Cooking Stove

Brown's Anti-Crank Engine

Water Wheels

Interesting to Manufacturers

A Valuable Invention for Carding Wool

A New Bridge

Lost Inventions

Improvement in Printing

Chrome

Paine's Electric Light

Steamship Atlantic

Patent Office and Reform of the Patent Laws

Steamship Viceroy

List of Patent Claims

English Estimate of American Clocks

Petition for the Extension of a Patent

Patent Case—Hay Press

Index to Patents

Great Eronautic Enterprise

New Agents for the Scientific American

Back Volumes Scientific American

Inventors and Mechanics

History of Propellers and Steam Navigation

The Whitney Railroad

Printers' Types

Mesmerism

Atmospheric Air

Departments

  • From the Editor

    To Correspondents

  • Letters

    Important Notice to Us!

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
June 22, 1850

Confronting Common Wisdom