Scientific American Magazine
Volume 30, Issue 16You are currently logged out. Please sign in to download the issue PDF.
Features
The Mitchell Safety Steam Generator
The Genesis of the Horse
The Agassiz Memorial
Decision of an Important Patent Litigation
The Suppressed Member Again
Artesian Wells
How a Great Discovery Was Made
Scientific and Practical Information - April 18, 1874
The Origination of Screw Propulsion
New Electric Disengaging Gear for Knitting Machines
Horton's Improved Chuck Jaw
Improved Steam Pump
The Ammonia Ice-Making Process
Dr. Brown Sequard on Nerve Force
In the Laboratory with Agassiz
Improved Plane Guide
Magnifying Insect Case
Matson's Safety Combined Whip and Rein Holder
Lucetti's Italian Ice Cream Freezer
Casting a Five Hundred Tun Anvil
The Solar Counter
Astronomical Notes - April 18, 1874
How Shall I Introduce My Invention ?
Recent American and Foreign Patents - April 18, 1874
Decisions of the Courts - April 18, 1874
Answers to Correspondents - April 18, 1874
Communications Received - April 18, 1874
Canadian Patents - April 18, 1874
Departments
Correspondence - April 18, 1874
New Books and Publications - April 18, 1874
Business and Personal - April 18, 1874
Index of Inventions - April 18, 1874