Hæmatinone

New Prospectus

Of The Scientific American Volume Thirteen to Mechanics, Manufacturers Inventors and Farmers

Oil vs Hydropathy

An Interesting Patent Decision

Franklin Institute

The Hoosic Tunnel

Pearl Muscles

Sugar and the Sorghum

Does Sunshine Tend to Extinguish Fire?

Velocity and Colors of Lightning

Amylene, the New Anæsthetic Agent

Wrecks on the Bahamas

Castor Oil

New Sloop of War

Use of Strychnine in Distilleries

Hewit's Pump

Printing Textile Fabrics by Light

Propellers

Relation of Inventions

Steam Wagon

Secretary Thompson and the Patent Office

Polytechnic College

Testimonial to Miss Maria Mitchell

Fifteen Hundred Dollars in Prizes

The End of Our Twelfth Year

The Failure of the Atlantic Cable

Gas Light on Steamers

Air Brake for Cars

Sewing Machine Suit in Great Britain

Coating Articles of Iron with Metallic Alloys

Great Cotton Factories

Salt and Its Properties

Correspondents

Special Notices-Important to Everybody

Index

Sheple's Winnowing Machine

Sugar Maples

The Woodworth Planing Machine