The Element of Safety in Smokeless Powder
The Silk-Producing Spider of Madagascar
First Class Battleship "Kentucky"
Salvage of the "Oregon"
The Brooks Comet
Paris Exposition.--Interior of the Petit Palais
Nernst Lamp at the Exposition
Lumber Rafts on the Columbia River
A New Gas Battery
An Interesting Clock
Inquiry Concerning Water Tube Boilers
The Death of Prof. J. E. Keeler
Awards at the Paris Exposition
The Heavens in September
Locomotive Snow Plows in Europe
New Books, Etc.
Notes and Queries
Business and Personal
Recently Patented Inventions
Index of Inventions