Features
Friction-Iron and Wooden Axles
Our Special Correspondence
The Strength of Cast-Iron Columns
Balloons Usefully Applied
"Yellow Jack" Banished from the Crescent City
Sailing of the Arctic Expedition
Volcanoes of the Northwest
A Wonderful Cave
The Working of Steam Engines
Bread
Physiology of Reproduction
"The American Windmill
The Safety of Ocean Navigation
What Becomes of the Gold
Thomsons' Improved Finger-Nail Brush
The Great Spike Case
Applications for the Extension of Patents
Reform in Weights and Measures
A Columns of Varieties
The Manufacture of Sugar and Gas in Germany
Currant Wine
Simple Experiments in Natural Magic
Improved Locomotive and Car Wheel
Improved Gas Cooking Stove
Scientific Vs. Practical Instruction
Water Gas
The Age of Invention
The Art of Poisoning
Butter-Making
Industry-Manufactures-Commerce
Teaching the Sciences
Recent American Inventions - July 21, 1860
Patent Claims - July 21, 1860
Issued from the United States Patent Office
Useful Hints to our Readers
Money Received
Important to Inventors - July 21, 1860
A Patent Sad-Iron Heater
Patent Valve Cock
"The American Pump
New Prospectus
Departments
- Departments
Notes and Queries - July 21, 1860