Features
Charles Darwin
The Loss of the Arctic Search Steamer Rodgers
Aspects of the Planets for May
A Novel Sled
New Electric Log
New Grain Drier
New Life Boat Plug
New Acoustic Telephone
Engineering Inventions
Mechanical Inventions
A New Ore Mill
Jerboas, or Leaping Mice
The Tile Fish
Miscellaneous Inventions
Communications Received
Departments
- Departments
Correspondence
Business and Personal
Notes and Queries
Index of Inventions
