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Features

Phosphurets

To Form a Phosphoric Fire Bottle

New and Simple Air Gun

Foreign Hops in England

Improved Clutch for Machinery

Railroad to Cairo

A Fountain of Fire

Phosphuretted Hydrogen

Railroad Bridge

Great Steam Ship

Taxes in Great Britain

Correspondence of the Scientific American

California

Practical Engineers for Steamboats

Unrolling a Mummy

Steamship Pacific, the Second of Collin's Line

Morals in Scotland

Animal Life in Water

Starch Manufactory

Destruction of the Great Cathedral of Saragossa

A New Propeller Steamship

Ohio Wine

How to Cross the Atlantic in Less than Five Days

A Human Body and the Hour of Day

Library of the British Museum

Coal in California

The Silks and Teas of Japan

Improvement in Electric Telegraph Batteries

Improved Plow

Great Improvement in Daguerreotype

An American Gas Engine in England

Patent Inkstand

Ingenious Machine for the Use of the Blind

Wrought Iron Plow Stock

Drilled Eyed Needles

Jersey Marble

Improvement in Saddles

Walls of Buildings

Chicago Mechanics' Fair

An Example for Builders

Advice about Caveats

Opinions, Rotary Engine, &C

Locomotive for Ascending Inclined Planes Controversy

Who First Carried Coal from this Country to Philadelphia

List of Patent Claims

Notice

A Diminutive Plant

Success in Invention

James Watt

History of Propellers and Steam Navigation

To Inventors and Mechanics

Table of Horse Power at Different Rates of Speed

Human Strength

Departments

  • From the Editor

    To Correspondents

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May 18, 1850

Complex Causes. Alternative Solutions.