Features
Another Case of Expanded Reissue
Comet Seeking
The Relation of the Government to Patentees
The Scientific Results of the Jeannette Expedition
Steam Boiler Notes
Ten Years' Progress in Iron and Steel Production
Mechanical Inventions
Supplying Steam Boilers with Water
Ader's Magnifying Telephone
Agricultural Inventions
Improved Portable Engine
The Symbolical Signs of the Planets
Grebes and Their Nests
Miscellaneous Inventions
Engineering Intentions
Departments
- Departments
Recent Inventions
New Inventions
Index of Inventions
Business and Personal
Notes and Queries
