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A Bridge Broken

Yellow Metal Ship Fastenings

Polytechnic School in New York

Novel Rotary Steam Engine


American-Built Russian Steamers

Improved Oscillating Pump

Improved Card Press

Improved Wagon Seat

Nail Machine

American Cotton is King

Why we Oppose the Extension of Patents

The Infected Ship

Employment for our Poor in the West

India Rubber Extension Cases

Paddle Wheel

New Printing Press

More Potash

Improved Breakwater

New Smut Machine

The Decision in the Reaper Patent Case

Self-Indicting Balance Barometer

Improved Hatchet

Apparatus for Impregnating Liquids with Carbonic Acid Gas


American and European Railroads

Improved Cotton Picker


  • Letters

    Correspondents - May 8, 1858

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