Scientific American Magazine
Volume 45, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
The Distribution of Light and Heat in New York City
The Madge and Her Victories
The St. Gothard Tunnel
Railroad Inventions Wanted
Is Insanity Increasing?
New Compressed Air Locomotive on the Elevated Railway, New York
Allen's Portable Compression Riveter
Mechanical Inventions
Improved Dinner Bucket
Tile for Illuminating Purposes
Steam Boiler Notes
Miscellaneous Inventions
Improved Pocket Knife
Improved Book Rest
Engineering Inventions
Centrifugal Extractor for Cane Juice
Electrical Magic
The Spotted Amblystome
Communications Received
Departments
New Inventions
Business and Personal
Notes and Queries
Index of Inventions
