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Synthetic Products May Break Nitrate Monopoly

New Machine Sends Code Messages Automatically

Ultra-Violet Light Necessary If Milk Is to Prevent Rickets

Blood Cells and Glands Contain Cure for Rickets

Recording Speedometer and Automatic Gear Shift to Simplify Auto Driving

Harvard Astronomers Study Milky Way Structure

Youth of Nation Asked to Find Healthy Chestnut Trees

Photo Reveals Pinch of Hunger

Test Shows Women More Ireitable than Men