Features
Vaccination and Revaccination
Rights of Patentees while in the Employ of the Government
A Telephonic Controversy Settled
Experiments with Underground Wires
The Petroleum Basins of Wyoming
Improved Clevis
Improved Steam Crane
The Huston Self-Leveling Berth
A Seat for Shop Girls
Electro-Metallurgy
Improved Air Refrigerating Machine
American Built Steel Steamer for the River Magdalena
The Gecko, or Wall Lizard
Communications Received
Departments
- Departments
Recent Inventions
Correspondence
Notes and Queries
Business and Personal
Index of Inventions
