Features
The Common Mushroom and Its Poison
Modification of the Trade Mark Law
Blue Fire as an Explosive
Tile Fish
Mr. Golding's Theory of Mississippi Floods and their Prevention
New Old Fashioned Houses
New Alarm Register
Improved Portable Water Closet
Aspects of the Planets for October
Natural History Notes
Chronograph for Engineering Purposes, with the Hipp Escapement
The Heloderma Horridum
New Key Ring
Metallurgical Inventions
Miscellaneous Inventions
Agricultural Inventions
Electrical Invention
Engineering Inventions
Departments
- Departments
Correspondence
Recent Inventions
Textile Invention
Business and Personal
Index of Inventions
Notes and Queries
