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Africa's First National Park

By Mary L. Jobe Akeley

Power Development on the Columbia River

By T. B. Parker

United States Plant Patent No. 1

Member of the New York Bar

By Orson D. Munn

The Hottest Place in the Universe

By Henry Norris Russell

Ford, The Practical

By Edwin P. Norwood

Are There Creatures Like Ourselves in Other Worlds?

Professor of Biology, Ohio State College

By Edwin Lincoln Moseley

The Birth, Life, and Death of a Railroad Ticket

Assistant to the Senior Vice-President, Baltimore and Ohio Railroad

By Francis X. Milholland

Mercury Vapor Power to the Fore

Australia's Great Meteorite

By Charles P. Olivier

Paper's Thinnest Web

By H. W. Vogler

Where Not to Look For Oil And Gas

Extracted from the Journal of the Western Society of Engineers (Chicago)

By Dr. Carey Croneis

Electrical Aids to Blind Flying

By Alexander Klemin

From the Archeologist's Note Book, November 1931

A Modernized University Library

Why Question the Reasoning of Animals?

By S. F. Aaron


  • Departments

    Across the Editor's Desk, November 1931

  • Back of Frontispiece, November 1931

  • Rome's Splendid Pantheon Restored

  • Our Point of View, November 1931

  • American Navy Building Program Lags, Largest, Most Powerful Locomotive and more

  • Coal and Fuel Oil Held Goods of Same Descriptive Properties, Tire Trademark Registration Refused and more

  • Book's Selected by the Editors, November 1931

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