Features
A New Method of Locating Lightning Rods
A Subject for Investigation
Dragon Flies
Labor at Home and Abroad
Nordenskjold's Expedition
The American Onion-Smut in France
The Holly System of Steam Heating
Miscellaneous Inventions
Lock Letter Press
Improved Steam Whistle
Improved Portable Railroad Lock
Novel Work Table Implement
Improved Straw Cutter
Recent Mechanical Inventions
The Flying Dragon
Molecular Chemistry--No. 5
Engineering Inventions
Recent Decisions Relating to Patents, Trade Marks, Etc.
Communications Received
Departments
- Departments
Correspondence
Notes and Queries
Business and Personal
New Books and Publications
Index of Inventions
Patents