Features
Incidents in Bird Life at the Park
The Navy's Needs
The Submarine Monitor Peacemaker
Improved Grain Conveyer
Safety Fastening for Lace Pins, Etc.
Sandpapering and Polishing Machine
Skeg Attachment for Vessels
The Capillary Siphon--Hero's Engine
Decisions Relating to Patents - December 4, 1886
U. S. Circuit Court.--Northern District of Illinois
Deprez's Galvanometer
The New Spanish War Steamer Reina Regente
Some Ancient Inventions
Expulsion of Unburned Gunpowder from Cannons
Mechanical Invention - December 4, 1886
Engineering Inventions - December 4, 1886
Miscellaneous Inventions - December 4, 1886
Agricultural Inventions
Departments
- Letters
Correspondence - December 4, 1886
- Recommended
New Books and Publications - December 4, 1886
- Departments
Business and Personal - December 4, 1886
Notes and Queries - December 4, 1886
Index of Inventions - December 4, 1886
