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Scientific American Magazine Vol 147 Issue 6

Scientific American Magazine

Volume 147, Issue 6

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Features

Talkie Troubles

Roaring Arctic Blizzards and Broiling Tropical Sun Put The Talkie Cameraman to Supreme Tests

Andrew R. Boone

Electricity Digs Hoover Dam Tunnels

More Ships For Our Foreign Trade

Having Lost Our Former Supremacy on the Seas and Suffered Losses Thereby, We Have Launched a Program for a Powerful Merchant Marine

H. Gerrish Smith

Frameless Steel Houses

The Eclipse, Bad Weather and a New Way Out

Henry Norris Russell

Hospital Luxury for Rich or Poor

Skyways That Link The Americas

V. E. Chenea

From The Archeologist's Note Book, December 1932

Your Internal Menagerie

Robert Hegner

Now The Gun Carriage Is Welded

You Can't Beat 'Em

A. P. Peck

Shotgun Shells in The Making

Departments

Across The Editor's Desk, December 1932

Back of Frontispiece, December 1932

Waiting To "Shoot" Elephants Near A Water Hole

Our Point of Views, December 1932

Amateur Telescope Makers Make Amateur Telescopes

Mercury Vapor Power Plant Nears Completion, A Ford Six and more

How the Courts Treat Meritorious Patents, Rehearing Denied on "Dry Ice" Decision and more

Books Selected by the Editors, December 1932

Index to Volume 147, July-December, 1932