Features
War and Invention
Promotion by Seniority
Man and the Wild Animal
Photographic Notes - January 15, 1887
Water Gauge for Steam Boilers
Improved Steam Boiler
Large Punching and Shearing Machine
Improved Oil Cup
Combined Pulverizer and Plow
Picture Frame Attachment
Improved Spring and Dust Guard for Watch Cases
Folding Step Ladder
Comfort and Style Too
A Puzzle
Photograpry of a Moving Pendulum
Mixing of Fluids--Expansion by Heat
The Porcupine Ant Eater
Science in Toys
Joseph Echteler's Design for a Grant Monument
Incandescent Burner of Dr. Auer
Miscellaneous Inventions - January 15, 1887
Engineering Inventions - January 15, 1887
Agricultural Invention - January 15, 1887
To Inventors - January 15, 1887
Departments
- Letters
Correspondence - January 15, 1887
- Recommended
New Books and Publications - January 15, 1887
- Departments
Business and Personal - January 15, 1887
Notes and Queries - January 15, 1887
Index of Inventions - January 15, 1887
