Features
Three Wheeled Inspection Car
Making Wind Power Auxiliary
A Convention of Inventors
The Oil Stone
Aspects of the Planets for November
Plow Gauge
Sheep Gate
Fence
Balanced Slide Valve
Coasting Without Snow
An Australian Steam Ferry Boat
Krakatoa
Artesian Wells, Australia
The Bottle-Nosed Whale
Combination Tool
Calipers and Dividers
Mechanical Intentions
Engineering Inventions
Miscellaneous Inventions
Agricultural Inventions
Departments
- Departments
Correspondence
Business and Personal
New Books and Publications
Index of Inventions
Notes and Queries