Features
The Fourth Annual Cycle and Automobile Exhibition
Prof. Dewar's Experiment with Liquid Hydrogen
Our Import Trade for 1898
Wine Stored Underground
The Verdict in the Tank Collapse Case
Philippine Architecture
A New Way of Constructing Drawbridges
A Water-Feeding Device for Grinding-Wheels
An Improved Steam-Boiler
The Hoadley-Knight Compressed Air Motor
Investigations at the Keely Laboratory
The New Panama Canal
An Insect Breeding in Crude Petroleum
Glass Sponges
Departments
- Letters
Correspondence - February 4, 1899
- Departments
The Heavens in February 1899
Recently Patented Inventions
Business and Personal - February 4, 1899
Index of Inventions - February 4, 1899
Notes and Queries - February 4, 1899
Patents - February 4, 1899
