Features
White Nickel Bronze
New Jersey Mines and Minerals
New York Academy of Sciences
The Edison Lamp Tests
The National Academy of Science
The Commissionership of Patents
Tornado in Missouri
The Tunnel Under the Hudson River
Crime in Bengal
Improved Knife Handle
Simple Telephone Transmitter
What is the Time of Jupiter's Rotation?
The Great Southern Comet
Engineering Invention - May 8, 1880
New Boiler Cleaner
New Life Preserver
Railway Cremation
Sea Beans
Insane Ingenuity
Mechanical Inventions - May 8, 1880
Miscellaneous Inventions - May 8, 1880
Improved Rail
Improved Windmill
Agricultural Inventions - May 8, 1880
Departments
- Departments
New Inventions - May 8, 1880
Notes and Queries - May 8, 1880
Business and Personal - May 8, 1880
Index of Inventions - May 8, 1880
