Features
What the Doctors Say about Bicycle Riding
Grinding Reamers
The Eads Ship Railway
Folding Top Crib
Axle Lubricator
Improved Bench Stop
Improved Road Vehicle
Improved Water Softening Apparatus
Capsule Machine
Improved Auger Bit
Telescopic Views of Venus and Jupiter
Otto Gas Engines at the Philadelphia Electrical Exhibition
New Grip System for Electric Railroads
Cholera Morbus
The Harden Hand Grenade Fire Extinguisher
Agricultural Inventions - November 22, 1884
Mechanical Inventions - November 22, 1884
Special - November 22, 1884
Spitting, and the Men Who Spit
Miscellaneous Inventions - November 22, 1884
Engineering Inventions - November 22, 1884
Departments
- Letters
Correspondence - November 22, 1884
- Recommended
New Books and Publications - November 22, 1884
- Departments
Business and Personal - November 22, 1884
Notes and Queries - November 22, 1884
Index of Inventions - November 22, 1884