Scientific American Magazine
Volume 67, Issue 8You are currently logged out. Please sign in to download the issue PDF.
Features
The Earth and the Inner Moon of Mars
Psychology of Invention
Unscientific and Scientific Divining Rods
An Improved Fire Engine Pump
The Steel Steamer Choctaw
The Moon and Mars
The Looped Path of Mars
The Homestead Difficulties
A Deep Basement
Departments
To Inventors- August 20, 1892
New Books and Publications- August 20, 1892
Index of Inventions- August 20, 1892
