Feature

Engine May Save Millions

First Glances at New Books

India Has “Sin-Goat”

A Non-Magnetic Sailor

Nature Ramblings: III Repute Unearned

A Theory of Woman’s Sphere

Slot Increases Plane Safety

Game Important Industry

Prairies May Stop Borer

Thermometer Runs Clock

Front Matter

Classics of Science: Cartesian Co-Ordinates