Features
Climate and Crime
Platinum and Gold Toning
Impending Changes in United States Patent Law
The Naval Dry Dock Problem
Preservation of the Palisades of the Hudson
Pneumatic Candlestick
A Bicycle Support and Foot Rest
Burglars' Tools
The Latest Greyhound of the Atlantic
A Practical Electric Dark Room Lamp
Portable Petroleum Stove
Use of the Sand Blast for Cleaning Structural Ironwork
The Hartford Electric Light and Power Plant
The William I Monument at the Porta Westphalica
To Inventors - October 9, 1897
Departments
- Recommended
New Books, Etc. - October 9, 1897
- Departments
Notes and Queries - October 9, 1897
Recently Patented Inventions - October 9, 1897
Business and Personal - October 9, 1897
Index of Inventions - October 9, 1897
Patents - October 9, 1897
