Features
A New Theory of Light Sensation
An Extension Ladder for Sleeping Cars
Polishing and Buffing Lathe
An Incline Elevator and Dump
An Improved Car Coupling
Cigarette Paper
The Chase-Kirchner Aerodromic Railroad
Manufacture of Rock Candy
A Carpenter's Makeshift
A Large Punching Machine
A Method of and Apparatus for Amalgamating Ores
Novel Electric Rock Drill
Why Flowers are Beautiful
To Inventors - May 5, 1894
Departments
- Letters
Correspondence - May 5, 1894
- Recommended
New Books and Publications - May 5, 1894
- Departments
Recently Patented Inventions - May 5, 1894
Business and Personal - May 5, 1894
Notes and Queries - May 5, 1894
Index of Inventions - May 5, 1894
Patents - May 5, 1894