Features
Analysis of Water
Sites for Water Supplies
Education for Mechanics
Aspects of the Planets for April
Some Answers to Correspondents
New Fanning Apparatus
New Pile for Galvano Cautery
The Nordenfelt Gun
Buggy Bow Spring
Improved Hat Holder
The Archer Fish
Engineering Inventions
Mechanical Inventions
Agricultural Inventions
Miscellaneous Inventions
Departments
- Departments
Correspondence
Recent Inventions
Notes and Queries
Business and Personal
Index of Inventions
