Scientific American Magazine
Volume 145, Issue 4You are currently logged out. Please sign in to download the issue PDF.
Features
Behind the Scenes of News Gathering
More Hard Luck for the Ether
Tungsten Bows to the Plating Bath
The Sun an Atom Builder--A New Theory
Wings Over Three Americas
Science Lends a Hand to the Red Cross
New Paints From Synthetic Resins
Are Swimming Pools a Health Menace
From the Archeologist's Note Book, October 1931
A Solar Observatory for the Amateur
Simple Instructions for Photographing the Sun and Its Eruptions
George E. Hale
Cotton Stalks, A New Source of Rayon
Celluloid Taxidermy
Taming a Deadly Occupational Disease
Combating Magnetism in Watches
When a Sunbeam Splits
The Private Car, Yacht of the Rails
Departments
Across the Editor's Desk, October 1931
Back of Frontispiece, October 1931
The Newsroom Runs at High Pressure
Our Point of View, October 1931
Anti-Cavitation Marine Propeller, Chemistry Imitates Reptile Skins for Women's Shoes and more
Patent Law in U.S.S.R, Color Not a Trademark and more
Books Selected by the Editors, October 1931
