Scientific American Magazine
Volume 100, Issue 5You are currently logged out. Please sign in to download the issue PDF.
Features
The Ninth Annual Automobile Show in Madison Square Garden
The Labor Involved in Liquefying Helium
The Gatun Dam Misrepresentations
Engineering
Electricity
Science
The British Army Aeroplane
Aeronautical Notes
Taximeter Frauds
Clay Products of the United States
Automatic Block Signals
The Meat Industry of America.--II
Some Breads of Other Lands
Vehicle Wheel Sled Runner
Flowing Oil Wells by Compressed Air
Milk-Bottle Holder
Device for Testing Eggs
Finger-Developing Device
Departments
Correspondence - January 30, 1909
The Heavens in February
Recently Patented Inventions - January 30, 1909
Patents - January 30, 1909
Index of Inventions - January 30, 1909
