Improved Barrel Head-Cutter

Bisulphide of Carbon in Coal Gas

Water Gas Again

Friction-The Philosophy of small Axles

The Noise of the Aurora Borealis

Questions in Patent Law

Overshot and Jonval Turbine Wheels

Aerial Navigation

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

Agricultural Fairs for 1860

The American Association for the Advancement of Science

The Hanging of Mill Saws

The Greatest Sawing Feat

An Invention called for

Working steam Expansively

The Scientific American in Germany

Millwrighting and Milling-Dressing Stones

Journal of Patent Law

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

American Naval Architecture

THE STEAMER BIENVILLE.

Prosperity and Gratitude of Genius

Charcoal for the Teeth

Parrish's stump Extractor

Improved Friction Clutch

Gold--Ho, for Pike's Peak!

The Rights of Joint Patentees

The Advancement of Science

Recent American Inventions - August 18, 1860

Wright's Improved Animal Trap

Patent Claims - August 18, 1860

Important to Inventors

Useful Hints to Our Readers

New Books and Periodicals Received

Money Received

Do Railroad Rails Ever Wear Out?

Improvement in Hominy Mills