Scientific American Magazine Vol 5 Issue 13

Scientific American Magazine

Volume 5, Issue 13

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Features

Improvement in Sawmills, The Strength of Iron Pillars and more

The War

More Gunboats Launched

The Polytechnic Association of the American Institute

United States Circuit Court—In Equity

Shocking Accident from Dresses Taking Fire—Safety Clothing

Our Workshops Turning Out Artillery

White Gunpowder

A New Article Made from Old Shoes

Information as to the Patentable Novelty of Inventions

Improvements in Engines--Superheating Steam

Substances that will Crystallize and those that will Not—A New Separation

National Rifle Clubs

Discussion on the Patent Laws in England

More about Friction Matches

Continued and Steady Progress of American Inventions in Europe

Patent Claims - September 28, 1861

Recent American Inventions

The United States Treasury Notes

Departments

Correspondence - September 28, 1861

Notes and Queries - September 28, 1861