Features
The Wastage of Carbon in Electric Lamps
A Trade Mark Decision
Ventilation of Vessels
The Utilization of Petroleum
The Fusing of Carbon
The Largest Cash Vault in the World
Alum in Baking Powders
American Contributions to Modern Artillery
Increasing Trade with Chili
Valvoline
Car Painting
An Improved Roofing
A New Lamp Extinguisher
New Time-Indicating Night Lamp
New Trunnion and Trimmer
The Common Jacana
Paris Exhibition--Facade of Austria and Hungary
Astronomical Notes
American Institute Fair
To Inventors
Communications Received
Departments
- Departments
New Books and Publications
Business and Personal
Notes and Queries
Patents
Index of Inventions
