Scientific American Magazine

Silvering Animal Vegetable, and Mineral Substances

Improved Machine for Making Cigars

Artificial Duck-Hatching

Adulterated Food and Medicines

Detecting Adulterous Substances in Beer

Eagles--Ornithology

California Matches

Reliable Recipes

The Utility of High Premiums

The Trans-Mundane Telegraph Line

Walking on the Water

Curious Coincidence of Natural Laws

Stiles's Improved Toe-Stretcher

Hot-Air Ovens for Iron Furnaces

Shank's Biscuit Board

Hours of Labor

Dangers of Ballooning

Notes on Foreign Inventions

The Amalgamation and Gilding of Aluminum

Electrical Invention

Animal Oxydation

The Four Organic Elements

A Column of Interesting Varieties

Iron and Its Useful Applications

Another Iron Ship!

Wood's Oscillating Engine

Do We Know How Magnetism is Produced

Electrotyping Our Paper

The State Fair

Fair of the American Institute

How to Obtain Letters Patent

Weekly Summary of Inventions

Foreign Summary-Metals and Markets

Patent Claims

Improved Method of Tanning

Water-Gas at Wilmington

Notes and Queries