Features
Opening of the World's Columbian Exposition, Chicago, May 1, 1893
Operations of the Canadian Patent Office
Treatment of Potatoes to Prevent Potato Scab
A Tie-Dog for Railroad Rails
An Electrical Rocking Chair
Tricks in Prestidigitation
An Improved Scaffold Truss
An Improved Wrench and Cutter
An Improved Corrugated Bit Brace Ring
An Improved Electric Belt
Hydraulic Propulsion of Vessels
Patentability
A Columbian Egg Puzzle
A Model Locomotive
The Deadly Scorpion
Another Early French Patent for a Barbed Wire Fence
To Inventors - May 6, 1893
Departments
- Letters
Correspondence - May 6, 1893
- Departments
Recently Patented Inventions - May 6, 1893
Notes and Queries - May 6, 1893
Business and Personal - May 6, 1893
Index of Inventions - May 6, 1893
Patents - May 6, 1893
