Features
The Wire-wound Dirigible Balloon
Preventing Expansion With a Web of Steel
The Jubilee of the Turret-ship
In Its Essentials the Turret Has Changed Very Little in the Fifty Years of Its Life
Defects in Present Day Varnishes
Some Hints on "Reviving" Furniture
The "Great Storm" of 1703
An Historic Meteorological Event
The Mount Wilson Solar Observatory
Studying the Heavens With the Most Elaborate Equipment in the World
How Railroad Men are Made
Training the Men Who Run Big Railways
The Self-scoring Target
A Device by Which Rifle Practice is Made Popular
George Westinghouse's Automobile Air-spring
A New Way of Suspending a Motor-car
What Inventors Are Doing
Simple Patent Law; Patent Office News; Inventions New and Interesting
The Heroisms of Medical Men
Departments
- Departments
Recently Patented Inventions - February 17, 1912
Notes and Queries - February 17, 1912