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Popular Science, Aircraft in the Recent German Maneuvers, and more

Frank Julian Sprague

Inventor and Engineer

By Thomas Commerford Martin

New York's Fire College

Fire-fighting and Rescue Work Reduced to a Science

By Herbert T. Wade

Wireless Detectors

By Adelbert J. Gogel

Vaniman-Seiberling Transatlantic Expedition

Preparing for the Second Attempt to Cross the Ocean by Airship

Three Comets Now Visible

Directions How to Find Them

By S. A. Mitchell

Abstracts from Current Periodicals- October 21, 1911

Phases of Science as Other Editors See Them

Relative Strength of the Italian and Turkish Navies

A Comparison of Fleels Ancient and Modern

Small Isolated Electric Power Plants

Some Practical Suggestions on Building Them

By Frederick E. Ward

The Inventor's Department- October 21, 1911

Simple Patent Law; Patent Office News; Inventions New and Interesting

The Electrical Show in the New Grand Central Palace, The Glidden Tour and the Fair-mount Park Automobile Race, and more


  • Letters

    Correspondence- October 21, 1911

  • Recommended

    New Books, Etc.- October 21, 1911

  • Departments

    Recently Patented Inventions- October 21, 1911

  • Notes and Queries- October 21, 1911

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