Features
The Fourth Dimension Essays
The New Hudson River Steamer Robert Fulton
Center Versus Side Door Cars
The Renaissance of the Spanish Navy
Electricity
Engineering
Science
The Filtration of City Water Supply
A Life-Line Air Cannon
By the English Correspondent of the Scientific American
Detecting Underground Streams with an Ear-Trumpet
By the Paris Correspondent of the Scientific American
Pythons and Their Prey
A Problem in Mechanics
The Commercial Possibilities of the Aeroplane
Stereoscopic Illusion
New Type of Sub-Surface Torpedo Boat
The Queensboro and Manhattan Bridges across the East River
A Life Preserver for Balloonists
Aeronautical Notes
A Simple Drawer Stop
An Improved Rat Trap
A New Railroad Spike
A Novel Frying Device
Patent Department
Departments
- Departments
Correspondence
Patents
Index of Inventions
Recently Patented Inventions
