Scientific American Magazine
Volume 100, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Our Decadent Merchant Marine
The Naval Programme for 1909
The Traffic of a Great City
Electricity
Engineering
Science
The Submarine Mine
Aeroplanes and Motors at the First Paris Aeronautical Salon
The Scientific Aspect of Earthquakes and Volcanoes
Aeroplanes in Warfare
Multi-Hull Steamships
The Meat Industry of America.--I
Concrete Steel Caissons
Curious Life Histories
A Hydraulic Test for the Boiler
Mending a Cracked Bottle
Handy Man's Workshop
Departments
Correspondence - January 23, 1909
Index of Inventions - January 23, 1909
Recently Patented Inventions - January 23, 1909
Patents - January 23, 1909