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Marsh's Plan for Ascending the White Mountains by Steam

The Most Important American Discoveries and Inventions

The Great Naval Controversy

The World's Indebtedness to Science

Experiments of Driving and of Drawing Air Through Tubes

The Farmers' Club

What Invention Has Done for the Blind

Progress of American Inventions Abroad

Miscellaneous Summary

Recent Southern Intelligence

Morse's Self-Registering Calipers

India-Rubber Extension Case Before Congress

The Cause of Our Manufacturing Prosperity

Artillery Experiments of the Government

The Engines of the New Frigates

Recent American Patents

The British Iron-Clad Frigate “Bellerophon”

Patent Claims

To Our Readers

Patents Granted: For Seventeen Years!

Rates of Advertising

The Cheapest Mode of Introducing Inventions

A Valuable Work for Inventors Patentees and Manufacturers

The Scientific American For 1864!

Kelly's Cartridge-Tearer

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March 05, 1864