Features
A Good Sign
Heavy Fly Wheels and Grist Mills
Discovery in Electricity
Lake Superior Iron
Recent Patented Improvements
Difference of Sight and Hearing
Ventilating Mines
How to Raise a Fallen Horse
The Patent Office
Improvement in the Voltaic Pile
Rolling Iron and Steel
Improvement in Building Ships
American Lap-Welded Iron
Cochineal Cultivation in Teneriffe
Inspection of Gas
The Onward March
Country Lectures
Purifying and Filtering Water
The Submarine Railway
Congress and the Patent Office Reports
Lacepede
Artesian Wells in Illinois
Doctors in Beloochistan
Trial of Fire-Arms
Railroad Management
Osage Orange Fences
Feeding Horses
To Prevent Incrustations in Boilers
Moonology
House-Heating Apparatus
Science in Sport
Mechanics
Departments
- Letters
Correspondents - April 3, 1858
