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The Two Principal Rules in Horse Back Riding

Improvement in Canal Locks

Sulphur Water

Atmospheric Circulation and Aepial Navigation

Cause of Boiler Explosions

Their Prevention—Important Information

Pans for Boiling Maple Sap

Picking Ore by Electro-Magnetism

Licensing for Selling Patent Rights, & C.—Laws of Virginia

Improving the Mississippi-One Hundred Million of Dollars Added to the Value of the State

Stringency in the Money Market

Is Hydrogen a Metal?

Romance of the Steam Engine

Number II.

American Engineers' Association


Talk with the Boys

Practical Directions to Engineers

Death of an Inventor

English Rogues and Their New York Brethren

What is Momentum?

Useful Medical Items

Electricity in Woolen Mills

Van Deusen's Sounding Apparatus

Improved Horse Rake

Spontaneous Generation of Plants and Animals

Explosive Engines

What Will be the Effect upon Patents in Case of Secession?

Our Stellar System

What Will Become of the Patent Office if the Union is Dissolved?

To Our Friends

Now is the Time to form Clues

Reply to “Fair Play”

The Patent Office Defended

Patent Laws and the Patent Office

Renewed Activity at the Patent Office

Value of Different Kinds of Fuel

Recent American Inventions

Patent Claims - December 15, 1860

Money Received

Rates of Advertising

Useful Hints to Our Readers


Seventeenth Year!!!

The Rise and Progress of Inventions

A Universal Language

Jerrold & Beggs' Steel Springs


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    New Books and Periodicals Received

  • Departments

    Notes and Queries - December 15, 1860

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