Features
The Centennial Surplus
Dual Life
A Bull on the Track
Alleged Magneto-Photography
Remarkable Results of Evaporation and Rainfall
Straightening Saws
Important Observations on the Rocky Mountain Locust, Or Grasshopper Pest of the West
The British Ironclad Alexandra
A New Hydraulic Engine
Improved Yard Stick and Bias Measure
Martin's Gas Regulator for Steam Boilers
Professor Gray's Telephone
The Friction of Plain Slide Valves
The Cat Teaser
New Miscellaneous Inventions
Recent American and Foreign Patents
New Mechanical and Engineering Inventions
Communications Received
Departments
- Departments
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
