Scientific American Magazine
Volume 90, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
The Eiffel Tower
Precautions against Poisoning the Queen Bee
Value of Correct Propeller Design
Our System of Naval Comparison
The Hydroscope and Its Success
Progress in the Study of Radium and Radioactivity
The Fuel Supply of the Japanese Navy
The Current Supplement
A Practical Primary Battery
Safety Locomotive for Explosives Factory
Boiler Scale Detection
The Japanese Navy
Results of the Florida Automobile Race Meet
A Great Engineering Feat
The Blue Gnu
Natural Monuments
Business and Personal Wants
Departments
Legal Notes - February 13, 1904
Recently Patented Inventions - February 13, 1904
Notes and Queries - February 13, 1904
Index of Inventions - February 13, 1904
New Books, Etc. - February 13, 1904
Patents - February 13, 1904
