Features
One More Number
What is Light?
New Air Engine
Remarkable Eruption of Mauna Loa
Glass Spinning and Weaving
Automatic Balance Attachment for Valves
Improved Safety Nut
Tool for Driving and Clinching Nails
Improved Safety Valve
Apparatus for Removing Ice from Railroads
New Hand Power Band Saw
New Telegraph Insulator
Business Colleges
Packard's Business College
Miscellaneous Inventions
Amateur Mechanics
A Simple Single-Acting Steam Engine
The Hercules Beetle
Variegation of Leaves
Chinese Women's Feet
Communications Received
Departments
- Departments
Recent Inventions
Correspondence
Business and Personal
Notes and Queries
Index of Inventions