Scientific American Magazine
Volume 99, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
The Zeppelin Airship Disaster
The Successful Defender of the International Motor Boat Cup
A Cruiser-Battleship Holds the Transatlantic Record
May a Manufacturer Buy a Patent, Never Use It, and Sue for Infringement?
Color-Blindness
Military Ballooning in Japan
The Current Supplement
A Municipal “Microbe Farm.”
The Evolution of the Blow
The Mechanical Joys of Coney Island
A No-Segment Graphite-Resistance Controller
The International Motor Boat Race for the Harmsworth Trophy
Departments
Correspondence
Notes and Queries
Recently Patented Inventions
New Books, Etc.
Index of Inventions
Patents
