Features
Gas Explosion
Columbus and Cleveland Railroad
Survey of a Rail Route to California
New Railroad Cars
Improvement in Apparatus for Feeding Steam Boilers
A Good Safe
Culture of Tomatoes
Coolidge Said Not to be Dead
An English Clock in Constantinople
Law of Patents in Prussia
Turkish Education
Supply of Coal
Land Speculation
Cockroaches
Sub-Rosa
Influence of the Press
Improved Method of Tempering Edge Tools
To Editors and Publishers in the U. S
Coal in Massachusetts
Cholera.--Review of the Opinions on the Subject
Wheeling (Va.,) Silk Manufactory
The Crank
Source of Electricity
Lightning Conductors
Solution of Problems on Page 288, No. 36
To Treat Peach Trees
New Self-Acting Railroad Switch
Improvement in Power Looms
New Electric Telegraph
Electric Light for Daguerreotypes
Onapman's Balance Rotary Slide Valve
Lyman's Patent Steam and Water Guage
Important Discovery
Steam Plough
New Wagon Wheel
Dissolving Bones by Steam
American Carpets
Our London Patrons
Street Cleaning
Simpson's Propeller
Ancient Pyramid of Balls
Scientific Memoranda
Potatoe Sugar
The Office of the Bat
The End of Prudence
Expenses of British Colonies
Cocoa Nuts
Motion
Earth the Natural Friend of Man
The History of the Solar System
List of Patents
History of the Rotary Engine
Portable Provisions for Travellers and Hunters
Cure for Cholera
Patent Laws--Subjects of Patents
A New Discovery to Separate Potatoes of Different Qualities
Parsnips
The Scalpel
Departments
- From the Editor
To Correspondents