Features
“Mind Your Business.”
The Induced Current
The Rebacking of Paintings
Overthrow of the Barb Fence Patents
Round Noses vs. Diamond Shape
American Astronomical Society
The French Physical Laboratories
The Columbia Tricycle
Portable Meat Safe
The Influence of Storms upon Water Traps
Mixer for Carbonic Gas and Water
Making the Deaf to Hear
Pressure Gauge Testing Apparatus
A Quadricycle for Land and Water
The Giant Locust
Electrical Railway Signaling
Farm Hand Carts
Mechanical Inventions
Engineering Inventions
Miscellaneous Inventions
Agricultural Inventions
Departments
- Departments
Correspondence
Recent Inventions
Notes and Queries
Business and Personal
Index of Inventions
