The Struggle for the Pole
A Record of Heroism
Features
At the North Pole
Astronomical and Geophysical Conditions
Wireless Telegraphy and Telephony
A Record of Recent Progress
A New Radio-Therapeutic Process
Automors, A New Disinfectant
Demonstrations with the Musical Arc
Proof of Electromagnetic Theories
The Fear of Water
On Board the “Parseval”
A Trip in the Famous Military Dirigible
Fused Wood
Machine-Picked Vs. Hand-Picked Hops
A Revolution in the Hop Industry
Education by Experience
The Physiological Basis of Success
Edmund Halley
The Man Who Dispelled Cometary Superstitions
Machines that make Cordage.—II
How Various Fibers are Mechanically Formed into Rope
Organizing Zoology
The trust System Applied to Science
