Features
Proposed Patent Legislation
The Transformation of Bacteria
A Railway-Crossing Invention Wanted
New Side-Saddle Girth
New Safety Car Coupling
Pocket Hanger for Hats and Garments
Improved Nut Lock
Miscellaneous Inventions
The Luray Caverns by Electric Light
Failure of Mats as a Protection to the River Front of New Orleans.--Something New Wanted
New Stock-Alarm for Locomotives
Novel Rein-Holder
New Tool Holder for Grindstones
Four-Barreled Hammerless Gun
Improved Fire Escape
Mechanical Inventions
Two-Story Birds' Nests
Engineering Inventions
Communications Received
Departments
- Departments
Recent Inventions
New Inventions
Index of Inventions
Notes and Queries
Business and Personal