The Electrical Experimenter, vol. 7, no. 8, December 1919

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

THOMAS A. EDISON SPEAKS TO YOU—Front Cover From a painting by Harold Brown

SUBMARINES TO SALVAGE SUNKEN SHIPS SHIPS GUIDED BY ELECTRIFIED CABLE DID THE ROMANS HAVE "WIRELESS"?

THOMAS A. EDISON SPEAKS TO YOU—SPECIAL INTERVIEW By H. Gernsback

SLOW MOVIES ANALYZE MOTION MYSTERIES OF STAGE CRAFT By H. Winfield Secor

AN AERIAL PASSENGER ROCKET AN "OSCILLATING" SCENIC RAILWAY

AIRPLANE SUPER-CHARGER FOR HIGH-FLYING By Charles M. Ripley

SOUND AND FLASH RANGING IN THE A.E.F By Prof. Augustus Trowbridge, Princeton University

ROHLFS FLIES 34,610 FEET—NEW WORLD'S RECORD NEW YORK ELECTRICAL SHOW

PIEZO-ELECTRICITY OR "SPEAKING CRYSTALS" By A. McL. Nicolson

LATEST ELECTRIC NOVELTIES BEAUTY BY THE KILOWATT STUCCOING HOUSES BY ELECTRICITY

POPULAR ASTRONOMY—IS THE MOON A DEAD WORLD? By Isabel M. Lewis, M.A.

TRAINING WOMEN SUB-STATION OPERATORS

THE AMATEUR MAGICIAN By Joseph H. Kraus, Jr

THE CONSTRUCTOR DEPARTMENT—ELECTRIC CHRISTMAS VILLAGE By Fred F. Phillips

PHOTOGRAPHIC EXPERIMENTS By Marion B. Reynolds

THE "FINER WORKINGS" OF STATIC ELECTRICITY By Frederick Von Lichtenow

THE ELECTRICAL MACHINIST By H. Winfield Secor

"HOW-TO-MAKE-IT" PRIZE CONTEST

WRINKLES, RECIPES AND FORMULAS By S. Gernsback

CARNARVON RADIO STATION MODERN AMERICAN RADIO APPARATA—THE PLIOTRON FAMILY

CALCULATION OF TREE WAVE LENGTHS By A. N. Tenna

RADIO GUIDES SHIPS THRU FOG

LOCATING SUBMARINE BY AUDION SYPHONING By Edward T. Jones, A.M.I.R.E.

LATEST PATENTS DIGEST "WITH THE AMATEURS" LABORATORY PRIZE CONTEST

SCIENCE IN SLANG—"JUICING THE JAZZ WAGON" By Emerson Easterling

THE ORACLE