My Inventions

April 1919 issue of Electrical Experimenter, Vol. 6, No. 12, Whole No. 72. This special Nikola Tesla issue features the third installment of Tesla's 6-part series for the magazine. This issue also includes a second article by Tesla and two articles by Dr. Lee de Forest.

Main Contents of this Issue:

Editorial: Interplanetary Messages (H. Gernsback)

Grand Opera in Your Home (H. Gernsback)

New York to Chicago Via the Air in Twelve Hours

Guiding Airships With the "Radio Barrage" (Dr. Lee de Forest)

How Electricity Serves World's Largest Hotels (H. Winfield Secor)

Seeing Thru You Without X-Rays (Battell Loomis)

Locating Stolen Diamonds by X-Rays

Stereoscopic Movies

My Inventions: III. My Later Endeavors--The Discovery of the Rotating Magnetic Field (Nikola Tesla)

The Moon's Rotation (Nikola Tesla)

Experimental Physics: Lesson 20--Physics and the World War (John J. Furia)

Popular Astronomy: The Planet Earth as Others See Us (Isabel M. Lewis)

Radiophony to Airplanes a Great Success

Do Radio Waves Travel Above the Earth or Thru It? (Dr. Lee de Forest)

Aerial or Ground Radio--Which?

How I Believe Radio Wave Transmission is Accomplished (F.H. Kroger)

The How and Why of Radio Apparatus: No. 11--How to Make and Use a Direct-Reading Wave Meter and Decremeter (H. Winfield Secor)

German Radio Apparatus Used at Metz

The Constructor: A Timely Reinforcement (Thomas Reed)

The Alkaline Storage Battery (J.F. Springer)

Experimental Mechanics: Lesson 11--The Theory of Twist Drills (Samuel D. Cohen)

Practical Chemical Experiments (Albert W. Wilsdon)

How to make it

Wrinkles, Recipes, Formulas (S. Gernsback)

Latest Patents

With the Amateurs

Science in Slang: Jazz Stokes on Wireless Dope (Emerson Easterling)

The Oracle

Book Review

Patent Advice (H. Gernsback)

Opportunity Ad-Lets

Original Publisher: Experimenter Publishing Company, Inc., 1919

Editor: Hugo Gernsback

Size: 9" x 12"

Issue: Volume 6: Number 12; Whole No. 72; April 1919

Pages: 92