Scientific American Magazine
Volume 91, Issue 2You are currently logged out. Please sign in to download the issue PDF.
Features
Santos-Dumont and the Exposition Authorities
The Progress of Mosquito Extermination
Machine Grinding
A Vegetable Butter
Historic Forest Fires
The Preparation of Cereal Foods
The Submarine Torpedo Tube
The Gordon Bennett Cup Race
By Special Correspondent of the Scientific American
The New Nemethy Flying-Machine and the Principle of Its Construction
A Curious Formation of Horse's Skull
Business and Personal Wants
Improved Screwdriver
Departments
Science Notes - July 9, 1904
Recently Patented Inventions - July 9, 1904
Index of Inventions - July 9, 1904
Patents - July 9, 1904