Improved Barrel Head-Cutter

Water Gas Again

Bisulphide of Carbon in Coal Gas

The Noise of the Aurora Borealis

Overshot and Jonval Turbine Wheels

Friction-The Philosophy of small Axles

Questions in Patent Law

Aerial Navigation

Agricultural Fairs for 1860

The Great Eastern-Her Paddle Wheels and Screw-Who is the Inventor?

The American Association for the Advancement of Science

The Greatest Sawing Feat

The Hanging of Mill Saws

Journal of Patent Law

HOW FAR A NEW PRINCIPLE IS PATENTABLE--TATHAM'S PATENT FOR MAKING LEAD OB TIN PIPES.

The Scientific American in Germany

Millwrighting and Milling-Dressing Stones

An Invention called for

Working steam Expansively

American Naval Architecture

THE STEAMER BIENVILLE.

Prosperity and Gratitude of Genius

Charcoal for the Teeth

Improved Friction Clutch

Parrish's stump Extractor

The Advancement of Science

The Rights of Joint Patentees

Gold--Ho, for Pike's Peak!

Recent American Inventions - August 18, 1860

Wright's Improved Animal Trap

Patent Claims - August 18, 1860

Useful Hints to Our Readers

Important to Inventors

Money Received

New Books and Periodicals Received

Do Railroad Rails Ever Wear Out?

Improvement in Hominy Mills