Scientific American Magazine Vol 11 Issue 44

Scientific American Magazine

Volume 11, Issue 44

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Features

Improvement in Oscillating Engines

Tooth Powders

Mine of Alum

List of Patent Claims

Test for Mercury

Kiln Drying by Dry Steam

The New Law of Patents

The Proposed Change in the Patent Laws

Gold Extracting Machinery

Agricultural Fairs.--Programme for 1856

Great Old and New Ships

New Corn Planter

Flavoring Matters

Value of Patents

Recent American Patents

Resuscitation of Drowned Persons

The Oceanic Survey

A Great Chance for Inventors

Scientific Explorations

Notes on Patented Inventions.--No. 13

India Rubber Manufactures

The Philadelphia Mint

Great Trial of Mowing Machines

The Consumption of Ice

Important Items

Important to Inventors

To Correspondents

Mechanics

New Galvanic Battery

Raising a Safe from a Sunken Steamboat

For What Purpose were Plants Created

Atmospheric Impurity and Disease

The Annual Amount of Heat