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Improved Patent Truss Bridge, A Congress of German Workingmen, and more

The Fair of the American Institute

On Strychnia as a Poison--Its Antidote

The Dental Convention

Discoveries and Inventions Abroad

A Good Roughing Tool

Brinkerhoff's Patent Hanger

The Bolts in the Monitor Turrets

Incomprehensible Folly

Coal-Mining Machines Wanted--Inventors Take Notice

Iron For Molding

The Cigar Steamer--Steam Rams

Great Electric Illumination

Recent American Patents

Aluminum Bronze

Preservation of Fruits

Patent Claims

Issued From the United States Patent-Office

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September 26, 1863

Music's Mysterious Power

Music's Mysterious Power

Emotional. Cognitive. Therapeutic.