Features
The Edison Electric Light Co
Injury by Heat
The Life of Stones
Argols
The Cholera in Egypt
Machine for Trimming Paper on Four Sides
Spark Arrester
Fire Escape
Harrow
Plow
Simple Garden Improvement for Promoting Winter Growth
Engraved Eggs
A Massive Scaffolding
The Giant Heron
Belt Holder
Gold Separator
Agricultural Inventions
Mechanical Intentions
Miscellaneous Inventions
Engineering Inventions
Departments
- Departments
Correspondence
Business and Personal
Notes and Queries
Index of Inventions
