
Volume 106, Issue 10
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Features
Our Latest Battleships, the "Nevada" and "Oklahoma"
The Most Powerfully Protected Ships Yet Designed
An Important Development of the Steam Engine
Superheat as an Element of Efficiency
Four-dimensional Space
Its Application to Practical Problems
A Mechanical Violin Player
How a Bow with 3,000 Horsehairs Solved a Difficult Problem
Interlined Printing for the Blind
The Turret Telescope
A New Form of Mounting Adapted to the Comfort of the Observer
Curiosities of Science and Invention
What Inventors are Doing
Simple Patent Law; Patent Office News; Inventions New and Interesting