Scientific American Magazine
Volume 68, Issue 18You are currently logged out. Please sign in to download the issue PDF.
Features
The Naval Parade and Review
Operations of the Canadian Patent Office
Opening of the World's Columbian Exposition, Chicago, May 1, 1893
Treatment of Potatoes to Prevent Potato Scab
Tricks in Prestidigitation
An Electrical Rocking Chair
A Tie-Dog for Railroad Rails
An Improved Wrench and Cutter
An Improved Scaffold Truss
An Improved Electric Belt
Hydraulic Propulsion of Vessels
An Improved Corrugated Bit Brace Ring
Patentability
A Columbian Egg Puzzle
A Model Locomotive
Another Early French Patent for a Barbed Wire Fence
The Deadly Scorpion
To Inventors - May 6, 1893
Departments
Correspondence - May 6, 1893
Business and Personal - May 6, 1893
Notes and Queries - May 6, 1893
Recently Patented Inventions - May 6, 1893
Index of Inventions - May 6, 1893
Patents - May 6, 1893
