Features
The Future of Electricity
The World's Fair of 1883
Electric Machines in Telegraphy
The Past Year's Work in the Patent Office
The Tay Bridge Disaster
Two More Patent Bills
Heating Tires by Gas Jets
A New Ventilator
Miscellaneous Inventions - January 31, 1880
The Manufacture of Soda
Improved Steam Hammer
The Peerless Portable Steam Engine
Mechanical Inventions - January 31, 1880
Agricultural Inventions - January 31, 1880
New System of Digging and Curbing Wells
Light Locomotives
The Hyena Dog
A Labor-Saving Tool
Departments
- Departments
New Inventions - January 31, 1880
Index of Inventions - January 31, 1880
Notes and Queries - January 31, 1880
Business and Personal - January 31, 1880
New Books and Publications - January 31, 1880
