Features
Why does Solid Iron Float on Molten Iron?
Domesticating Camphor Trees in the United States
New Emery Wheel Dresser
A Car Receiver for Bills of Lading, Etc.
A Device to Hold Bags Open for Filling
Aluminum Works in Switzerland
An Improved Water Gauge
Photographic Notes- June 6, 1891
Great Tower of the City Hall, Philadelphia--Total Height, 547 Feet
The U. S. Warship Charleston Pursues a Chilean Rebel Ship
Remarkable Naval Combat--A Steel Cruiser Sunk by Torpedo Boats
New Taper Attachment for Lathes
Mending a Big Shaft at Sea
Departments
- Letters
Correspondence- June 6, 1891
- Departments
Recently Patented Inventions- June 6, 1891
Business and Personal- June 6, 1891
Notes and Queries- June 6, 1891
Index of Inventions- June 6, 1891
To Inventors- June 6, 1891
Patents- June 6, 1891
