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To Prepare Aniline

Improved Self-Loading Gun

Notes on Military and Naval Affairs

The Application of Chemistry to the Military Art

Surface Condensers for Steam Engines

The Chemistry of Coal

Richard's Improved Cartridge

Fortunes and Misfortunes of an Artist

Coloring Steel Blue-Inlaying, Gilding and Etching

The Composition of Steel--French Chemists

The Turkish Bath in New York

Our Woolen Manufactures

San Francisco Steam Rail Cars

Railways of The World

New York Markets

Notes on Foreign Inventions and Discoveries

Recent American Inventions

Patent Claims

Patents for Seventeen Years

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February 08, 1862

Confronting Common Wisdom