Features
Another Mammoth Cave
Increase of Tourists
Supply of Oil
To Restore Writing.--To Dye Straws
List of Patent Claims
Issued from the United State Patent Office for the Week Ending June 16, 1857
The Missouri Lead Mines Again
Notes on Science and Foreign Inventions
How Rain is Formed
State Fairs for 1857
Improved Tubular Boiler
Arsenic in Silk
Progress of Railroads.--The Great West
Live Fences
Great Iron Viaduct
Changes in the Patent Office
Canada Railroads and the Great Eastern
The Atlantic Cable and the Niagara
Brick Cylinders in Sand for Bridge Piers
States Weights and Measures
Treating Wood for Violins
Inventor of the Mexican Barometer
Comparative Speed of Horses and Oxen
The Electro-Magnetic Engine
Who Invented the Menai Tubular Bridge?
Correspondents
Important Items
Boucherie's System of Preserving Wood
Mechanics
Inventors, and Manufacturers
