Features
Educational Value of the Hudson-Fulton Celebration
The Most Powerful Naval Gun
Evolution Not Revolution
Science
Electricity
Engineering
Cycling Trick in a Berlin Variety Theater
The First Photograph of Halley's Comet
Saving the American Lobster
The Number of our Ancestors
Strange Scientific Anomalies at the North Pole
Playing A 'Cello by Compressed Air
Moving a Mountain in Utah
A New Automatic Electric Signaling System for Railroads
A Tame Nautilus
The Vessel that Accomplished the Northwest Passage
Departments
- Departments
Recently Patented Inventions
Index of Inventions
New Books, Etc.
Patents