Features
The Preservation of Gas Service-Pipes
Trade Mark Notes
Where the Letters Are Written
Dangers of Dentistry
A Mushroom Farm in Mammoth Cave
Deafness as a Cause of Railway Risks
New Pumping Engine
Miscellaneous Inventions
New Bending Machine
The Keely Motor Deception
New Iron Fence
Improved Connecting Rod
New Style Power Mortiser
Engineering Inventions
Lobsters
English Soft Porcelain
Oxygen from Bleaching Powder
Agricultural Inventions
Communications Received
Departments
- Departments
Correspondence
Recent Inventions
Notes and Queries
Business and Personal
Index of Inventions
