Combined Ice-Breaking, Salvage, and Survey Steamer for the Canadian Government
By the English Correspondent of Scientific American
Volume 63, Issue 1621supp
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Features
Some Problems Connected with Deep Mining in the Lake Superior Copper District
The Mineral Production of the United States in 1905
A Mechanical Model for the Lecture Demonstration of “Beats”
Industrial Activity in 1906 as Exemplified by Foreign Trade
Practical Tests of the Gyrostat for Ships
The New incandescent Electric Lamps.—I
Chemistry and Agriculture
The Sleeping Sickness
The New Wireless Telegraph Station at Nauen, Germany
The Conductivity of Air in an Intense Electric Field, and the Siemens Ozone Generator
An Automobile Emergency Wagon for Fire Departments
Variation in Horse-Power Developed by Automobile Gas Engines
Some Facts about the Carnegie Institute
The Fraternizing of the Great Nations through Science
Excavations in Chaldæa
By the Paris Correspondent of the Scientific American