Feature

Nature Ramblings: American Eagles

Used Oil Proves Superior in Auto Operation Tests

Size of Newest Planet Is Still Undetermined

Science’s Growth Indicated by Increase in Literature

Automatic Seismograph Works Only When Quake Starts It

The Steam Turbine: “A Classic Invention”

Bumper Crop of Bear Cubs Reported in Yosemite Park

Personality from Ink Blots

Telescope with New Features Will Take Best Star Pictures

[Photograph]: Collectors of Atmospheric Electricity

Front Matter

[Photograph]: Mirror of the Future