Scientific American Magazine
Volume 28, Issue 15You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Duplex Safety Gun Lock
Compound Chair for Connecting Railroad Rails
Steam on the Farm
European Street Car Improvements
Nebraska Patent Laws
Carbonic Acid in the Soil
Astronomical Effects of the Ocean Tides
A Simple Method of Improving the Health of Cities
A Munificent Gift to Science
Eccentric Inventors
The Ignition of Combustibles by Overheated Steam
A New Mitrailleuse
Telegraph Poles
Sound and Hearing
Scientific and Practical Information
Improved Radial Drilling Machine
High Steam Gage and Low Water Register
Flexible Saw and Tooth Filing Apparatus
Decisions of the Courts
Recent American and Foreign Patents
Best Mode of Introducing New Inventions
Answers to Correspondents
Departments
Correspondence
Notes and Queries
Business and Personal
Index of Inventions