Volume 14, Issue 20
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Features
Atmospheric Phenomena
American Dentists Doing Business in Europe
An Unjust Tax
Earthquakes--Tenacity of Life
Improved Cooking-Stove
Another New Light
Saltpeter--Nitric Acid--Purifying Oils
California Inventors--Signing Drawings
Freight Railroads Wanted
Highly Important Patent Suits
Tardiness at the Patent Office
India Rubber Patent
Removal
McCormick's Reaper Patent Extension
Speech of the Commissioner of Patents
The Cigar-Shaped Steamer--Another Letter from its Builders
Preventing Thin Steel Tools from Bending
New Hay Elevator
Variation in Vital Heat
Mechanics
Inventors, Millwrights, Farmers and Manufacturers