The Electrical Experimenter, vol. 3, no. 9, January 1916

This issue is composed of the following stories and articles, some of which go unattributed on the table of contents:

FRONT COVER-"BALL LIGHTNING From a painting by Thomas N. Wrenn

ELECTRICAL DEVICE DETECTS SUBMARINES 20 MILES AWAY NEW INSTRUMENT ELIMINATES FOG PERIL HIGH VOLTAGE SWITCH ARCS THAT RESEMBLE LIGHTNING TAKING MOTION PICTURES WITH UNDER-SEA SEARCH-LIGHT SOME MODERN APPLICATIONS OF THE X-RAY BALL LIGHTNING MEASURING THE HEAT OF DISTANT STARS

NEW ARMY FIELD TELEPHONE AND BUZZER DEVELOPED BY U. S. SIGNAL CORPS

THE PONIATOWSKI RAY By George Frederic Stratton

BARON MUNCHHAUSEN'S NEW SCIENTIFIC ADVENTURES By Hugo Gernsback

ROW "WIRELESS WIZ" WELCOMED THE NEW YEAR By Thomas W. Benson

PERPETUAL MOTION, THE FOLLY OF THE AGES By H. Winfield Secor, E.E

THE TRANSMISSION OF PHOTOGRAPHS TELEGRAPHICALLY By Samuel Cohen

RADIO DEPARTMENT WIRELESS ON THE FIRING LINE

REGENERATING AUDION CIRCUITS FOR WIRELESS RECEIVING By Frank J. Collins

THE CONSTRUCTOR DEPARTMENT

HOW TO MAKE A SIMPLE STATIC MACHINE By E. F. Hallock

ELECTRICAL HELPS FOR AMATEUR PHOTOGRAPHERS By P. Mertz

HOW-TO-MAKE-IT SECTION

WRINKLES, RECIPES AND FORMULAS Edited by S. Gernsback

WITH THE AMATEURS LATEST PATENT DIGEST PHONEY PATENT DEPARTMENT QUESTION BOX

"PATENT ADVICE" Edited by H. Gernsback