Scientific American Magazine
Volume 80, Issue 5You are currently logged out. Please sign in to download the issue PDF.
Features
Copyright of Photographs
Prof. Dewar's Experiment with Liquid Hydrogen
The Fourth Annual Cycle and Automobile Exhibition
Our Import Trade for 1898
Wine Stored Underground
The Verdict in the Tank Collapse Case
Philippine Architecture
A Water-Feeding Device for Grinding-Wheels
An Improved Steam-Boiler
A New Way of Constructing Drawbridges
The Hoadley-Knight Compressed Air Motor
Investigations at the Keely Laboratory
The New Panama Canal
Glass Sponges
An Insect Breeding in Crude Petroleum
Departments
The Heavens in February 1899
Correspondence - February 4, 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
