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

Frank Julian Sprague

Inventor and Engineer

New York's Fire College

Fire-fighting and Rescue Work Reduced to a Science

Wireless Detectors

Vaniman-Seiberling Transatlantic Expedition

Preparing for the Second Attempt to Cross the Ocean by Airship

Three Comets Now Visible

Directions How to Find Them

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

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