Features
The Aquarium
The Practical Man
The Simultaneous Perception Of Sounds
Language of Insects and Animals
Dead Cities
Scientific and Practical Information - August 8, 1874
Oak Apples or Galls
An Iris and an Orchid
The Flower Markets of Florence, Italy
Recent Archeological Explorations
Medical Notes - August 8, 1874
Improved Paint Brush
Ord's Cut-Off Governor
The Messrs. Stevens of Hoboken, and their Ironclads
Decisions of the Courts - August 8, 1874
Recent American and Foreign Patents - August 8, 1874
Answers to Correspondents - August 8, 1874
Canadian Patents - August 8, 1874
Communications Received - August 8, 1874
Departments
- Letters
Correspondence - August 8, 1874
- Recommended
New Books and Publications - August 8, 1874
- Departments
Business and Personal - August 8, 1874
Index of Inventions - August 8, 1874
