Features
List of Patent Claims
Scientific Notes
History of the Telegraph Difficulties and Success of an Inventor
Discovery of a Dangerous Reef
Encroachments on the Patent Office
Recent Foreign Patent Law Cases
The Weight of Castings by Patterns
Oil Used on Railroads
Types of Hard Metal
Improvement in Windmills
New Air Spring for Railroad Car
Physical Effects of a Bombardment
Splendid Cash Prizes
A Word to Old and New Friends
The Plague; Its Origin and Disappearance
The Scientific American Prizes
War Projectiles-New Shells and Cannon
The United States Patent Office
Iron Girders
Engineer and Machinists Drawing Book
Improvement in Government Firearms
American Association for the Advancement of Science.--No. 5
Railroad Accidents in England
Lighting Streets by Electricity
A Novel Experiment in Locomotives
Lime and Its Use in Cities
To Prepare Nitrate Ammonia
Making a Sea of the Arabian Desert
Mechanics
Inventors and Manufacturers
Departments
- Letters
To Correspondents