Features
A Floating dock for Trinidad Wonderfully Equipped
The Development of armored War Vessels.—I
Armor Plating in the United States
History of Map making and Topography.—II
With illustrations of old charts
Commerce of the United States by Principal Ports and Sections, 1907
Some Recent Statistics
Possibilities of Hydraulic Mining
German Automobile Fire Apparatus
The Paris Correspondent of the Scientific American
The Ant Pest in New orleans
Camille Flammarion's Latest Views on Martian Signaling
The Electrolytic Theory of the Corrosion of Iron.—I
The Real Cause of Iron Rust
Incandescent Illuminants
Progress in Mantles
The Fuel-Testing Plant of the United States Geological Survey at the Jamestown Exposition
New Developments in Arc Lamps and High-Efficiency Electrodes
A Comparison Between Metallic And Carbon Arcs
The Gradual advance of Science
The Rise of Chemistry And Physics