Scientific American Magazine
Volume 62, Issue 8You are currently logged out. Please sign in to download the issue PDF.
Features
The Panama Canal--A New Project for Its Completion
How to Purify Drinking Water
An Improved Toy for Children
An Improved Tool and Handle
An Improved Sunshade Hat
An Improved Metallic Shingle
A Ridge and Hip Covering for Roofs
An Improved Railroad Tie and Chair
A New Aerial Apparatus
Simple Calls for Telephone Lines
A New Method of Electrically Driving Tuning Forks
A Cheap Flash Lamp
Departments
Correspondence- February 22, 1890
Recently Patented Inventions- February 22, 1890
Notes & Queries- February 22, 1890
New Books and Publications- February 22, 1890
To Inventors- February 22, 1890
Index of Inventions- February 22, 1890
