Table of Contents

Features:

Editorial
Donald S. Clark, Editor

Protection of Civilians Against Gas Attacks
by F. Zwicky, Professor of Astrophysics, California Institute of Technology

Post War Aircraft Manufacturing in Southern California
by Theodore C. Coleman, '26, Vice President, Northrop Aircraft, Inc.

Applied Soil Mechanics
by Frederick J. Converse, Associate Professor of Civil Engineering

Alaskan Adventure
by William Shand, Jr.

The Patent System
by Alfred W. Knight, Western Precipitation Corporation

Air Power and the War
by J. E. Wallace Sterling, Professor of History

Ordinance—The Backbone of Warfare
by Frederick C. Hoff

Cooperative Wind Tunnel
World's finest privately owned wind tunnel at halfway mark

Campus News:

...Of Interest

News of Classes
Class of 1918-1942

Letters to the Editor