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Features

Atmospheric Phenomena

New Atlantic Steamers--Galway Line

American Dentists Doing Business in Europe

Saltpeter--Nitric Acid--Purifying Oils

Improved Cooking-Stove

Another New Light

California Inventors--Signing Drawings

Earthquakes--Tenacity of Life

Freight Railroads Wanted

Tardiness at the Patent Office

Removal

Highly Important Patent Suits

India Rubber Patent

McCormick's Reaper Patent Extension

Speech of the Commissioner of Patents

The Cigar-Shaped Steamer--Another Letter from its Builders

Mechanics

Inventors, Millwrights, Farmers and Manufacturers

New Hay Elevator

Preventing Thin Steel Tools from Bending

Variation in Vital Heat

Departments

  • An Unjust Tax

  • Departments

    Notes and Queries

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January 22, 1859

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