Features
High Buildings and Fires
An Interesting Patent Office Question
Calipers and Fixed Gauges
Aspects of the Planets for July
Reports of the Recent Solar Eclipse
The Steamer Pilgrim
Raising of the Austral
A Railway Bracket Girder
Improved Wall for Jails and Treasure Vaults
Two Wheeled Portable Engine
Improved Cotton Press
Improvement in Lanterns
The Shoebill
The College of New Jersey
Departments
- Departments
Correspondence
Recent Inventions
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
Index