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