Features
How Kerosene Oil is Made
Strychnia and Hemlock
Silkworms
The Manora Breakwater
Notes of English Science - August 17, 1872
Improved Railway System
Improved Repeating Rifle
Protection from Lightning
The Appreciation of Knowledge
A Petroleum Fire
The International Prison Congress
A Railway Accident Explained
Letter from Professor R. H. Thurston - August 17, 1872
Newspaper Benevolence
Water Vapor not Vesicular
Inclined Railway in San Francisco
Wave Power Propellers
Recipes and Experiments - August 17, 1872
Slicing Apples
Recent American and Foreign Patents - August 17, 1872
New Patent Law in Canada - August 17, 1872
Departments
- From the Editor
Answers to Correspondents - August 17, 1872
- Letters
Correspondence - August 17, 1872
- Recommended
New Books and Publications - August 17, 1872
- Departments
Business and Personal - August 17, 1872
Notes and Queries - August 17, 1872
Index of Inventions - August 17, 1872
