Scientific American Magazine
Volume 43, Issue 9You are currently logged out. Please sign in to download the issue PDF.
Features
A Peruvian Infernal Machine
Electric Light for Marine Use
Color Blindness in Connecticut
Effect of Starvation on the Blood
Influx the Source of Invention
A Good Year for Statistics
Artificial Citric Acid
Clutch for Bow Strings
Fire in a Pennsylvania Coal Mine
Mechanical Inventions
A Lens With Variable Focus
New Coupler
Yellow and Red Phosphorus in the Manufacture of Matches
Miscellaneous Inventions
A Substitute for the Crank
Improved Book-Rack
The Glycerine Barometer
New Air Gun
The Steamer Pittsburg
Taguan Flying Squirrel
Clothing in its Relation to Health
Engineering Inventions
Facts About Cheese
Artificial Cold
Communications Received
Departments
New Inventions
Recent Inventions
New Books and Publications
Notes and Queries
Business and personal
Index of Inventions
