Features
Value of Observation in Invention
Speculative Mining
Waiting for Something to Turn up
Facade of the Danish Section at the Paris Exhibition
American Plows in France
The American Association at St. Louis
Paris Exhibition of 1878
A New Sheep Protector
Elwell's Middlings Separator
The Tailor Bird
The American Arctic Expedition
New Coffee Pot
A Novel Railway Car Window
Lescale's Automatic Fire Escape
The Micro-Telephone
Astronomical Notes
Departments
- Departments
Notes and Queries
Index of Inventions
Business and Personal
New Books and Publications
