Improved Farm Gate

Mechanics in Our Common Schools

A Railway on the Mountain

Suggestion to Aquarium Builders

American Reapers in Europe

A Professor on Broadcloth

How to Live Long

Remedy for Insect Bites

Delays at the Patent Office

Dovetail and Tenon Cutter

The Last Word to Four Thousand Readers!

Interesting Photographic Experiments

Iron Hoops for Baling Cotton

Arsenious Green Paper

Communications Between Railway Passengers and Drivers

New York Water

A Column of Interesting Varieties

Patent Extensions

Patent Law of Brazil

Cannel Coal and Its Oils

Improvement in Cornish Engines

Pumping Water

Improved Low Water Indicator

A Hint to Builders of Churches

Improved Stump Extractor

Magnetism on Railroads

The Labor Question

Hints to Thinkers

The Atlantic Telegraph & Inventors

Foreign Summary--Metals and Markets

A Splendid Number of the Scientific American

Inventors' Exchange

Patent Claims

Issued from the United States Patent Office

Beaumont's Steam-Gage

Death of an Inventor

Improved Breech-Loading Fire-Arm