Scientific American Magazine
Volume 48, Issue 23You are currently logged out. Please sign in to download the issue PDF.
Features
Drop Forging of Tool Steel
Aspects of the Planets for June
An Accident on the Great Bridge
Improved Water Heater
A Novel Air Motor
Atmospheric Dust and Germs
Fire and Burglar Proof Safes
Electric Lighting on the Arizona
The Helmet Cassowary
Engineering Inventions
Mechanical Inventions
Agricultural Inventions
Miscellaneous Inventions
Departments
Correspondence
Recent Inventions
Business and Personal
Notes and Queries
New Books and Publications
Index of Inventions
