Features
The Expansion of Our Foreign Trade
Death of Professor Mayer
Weather Prognostications
Andree Starts North
British Trade Mark Decision
City Light from City Refuse
An Improved Trestle
Removing Scale from Metal Plates
The Winton Motor Carriage
Trick Riding
A Vapor Hunting Launch
The Explosion of the Balloon Deutschland
A Simple and Efficient Bicycle Brake
The California Flying Fish and Its Enemies
Departments
- Letters
Correspondence - July 24, 1897
- Recommended
New Books, Etc. - July 24, 1897
- Departments
Recently Patented Inventions - July 24, 1897
Index of Inventions - July 24, 1897
Business and Personal - July 24, 1897
Notes and Queries - July 24, 1897
Patents - July 24, 1897
