The Size of Ocean Waves
Growth of the Salton Sea Arrested
Gun Trials of the "Dreadnought"
The Congestion at the Patent Office
Progress of the Pennsylvania East River Tunnels
Santos Dumont's Latest Flight
What Do the Birds Eat?
A Curious Chemical Experiment
Cooking without Fire
A New Apparatus for the Coaling of Warships
By Our Berlin Correspondent
Blasting Out a Reef in New York Harbor
Railway Accidents and Surgery
The Opposition of Mars in 1907
Effects of the Recent Hurricane at Mobile
Soft Crystals Showing Apparent Life
An Improved Try-Square
Safety Can Lifter
A Unique Non-Refillable Bottle
Business and Personal Wants
Recently Patented Inventions
New Books, Etc.
Notes and Queries
Index of Inventions