Features
Carelessness as a Cause of Fire
Uniformity in Chemical Nomenclature
Testing Chocolate
New Gold Separator
Improved Automatic Gate
Compressed-Air Machine Used in the Channel Tunnel
Novel Belt Fastener
The Attempt to Destroy the Andre Monument
New Plant-Trimming Shears
Miscellaneous Inventions
Plow for Laying Electric Cables
A Rediscovery--The Black Whale
Mechanical Inventions
Engineering Inventions
Agricultural Inventions
Departments
- Departments
New Inventions
Correspondence
Recent Inventions
Business and Personal
Index of Inventions
Notes and Queries
New Books and Publications
