Volume 67, Issue 1743supp
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Features
Railroading in its Infancy
Stage Drivers made Conductors of Passenger Trains
Wadagaki's Inclosed Turbine Propellers
High-Speed Turbines and Slow-Speed Vessels
Deep-Sea Resurrections
Anti-Friction Alloys for Bearings
The Repair of Farm Equipment
Ideas for the Handy Farmer
The Trend of Invention in 1908
A Chariot of 3,300 Years Ago
The Ancient Origin of the Wheel
The Scope of Eugenics
The Movements of the Stars
Aeroplane Problems
Difficulties in Construction
Oyster Shell Window Panes
Recent Work in Radio-Activity
Some Unsolved Problems
Field Guns for Destroying Dirigibles
Recent German Artillery and Shells specially Designed for Bringing down Military Airships
Machine Track Layers
Action of Water and Carbon Dioxide on Cement
The Pearl Button
Light on a Great Industry
Electricity in the Mine
A New Process of Magnetic Ore Separation