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Atmospheric Phenomena

New Atlantic Steamers--Galway Line

American Dentists Doing Business in Europe

An Unjust Tax

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


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


Inventors, Millwrights, Farmers and Manufacturers

New Hay Elevator

Preventing Thin Steel Tools from Bending

Variation in Vital Heat


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    Notes and Queries

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January 22, 1859

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