Feature

Huge U. S. Diamond

Fluorescence Shows Percentage of Molybdenum

Nature Ramblings: Flowers for the Bride

Possible Drug from Peel of Citrus Fruits Patented

High-Silicon Cast Iron Thermal Expansion Tested

First Glances at New Books

New Machines and Gadgets

Front Matter

Quinine Synthesized

Lava from Paricutin Threatens to Engulf Town

Mold Put into Body

Anti-Bleeding Vitamin Receives U. S. Patent