Scientific American Magazine
Volume 102, Issue 1You are currently logged out. Please sign in to download the issue PDF.
Features
Retrospect of the Year 1909
Electrical Heat Penetration
Oxygen and Human Energy
An Automatic Apparatus for Projecting Pictures
The Current Supplement, A Correction
The Great St. Bernard Hospice
The Rignoux-Fournier System of Television
David Starr Jordan
Patent Department
Departments
Correspondence
The Heavens in January
Notes and Queries - January 1, 1910
New Books, Etc. - January 1, 1910
Index of Inventions - January 1, 1910
Recently Patented Inventions - January 1, 1910
