Scientific American Magazine Vol 122 Issue 26

Scientific American Magazine

Volume 122, Issue 26

You are currently logged out. Please sign in to download the issue PDF.

Features

Addressing Thousands Without Raising the Voice, Commercial Airplane Development and more

Ralph Howard

Wireless Half Way 'Round the World

The Most Powerful Radio Station, Built at Bordeaux by the United States and Sold to France

John W. Kean

Turning the Wheels of a Century Hence--I

What We May Expect to Do, and What We May Not, When the Fuel Is Exhausted

C. H. Claudy

The Silent Teacher

How and Why the Motion Picture Is a Great Force in Explaining Technical Things

Jerome Lachenbruch

San Francisco Goes to the Mountains

Some Details of the Lake Eleanor Dam, Part of a Comprehensive Water-Supply Scheme

J. F. Springer

An Electrode that Bakes Itself

A. R. Surface

Measuring Deflection with Interference Bands

H. L. Van Keuren

Departments

Correspondence - June 26, 1920

The Heavens in July, 1920

Inventions New and Interesting - June 26, 1920

Recently Patented Inventions - June 26, 1920

Index - June 26, 1920

Notes and Queries - June 26, 1920