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📖 Description
July 1919 issue of Electrical Experimenter, Vol. 7, No. 3, Whole No. 75. It includes an article by Nikola Tesla, "Electrical Oscillators." The cover story is "Talking Thru the Trees."
Main Contents of this Issue:
Talking from 'Plane to Earth Editorial: Piped Cold (H. Gernsback) Talking Thru the Trees (cover story by Major-General George O. Squier) A Dash to the Clouds (George Holmes) The Oyster's Autograph Electrifying the Bowling Alley Sawing a 74,000-lb. Steel Ingot Typewriting in an Airplane Recording Galvanometer and Tuning Fork Timer "Hello Europe"—Via Radio (Charles M. Ripley) A 100 Horse-Power Voice (Jefferson Williamson) Disastrous Airplane Crashes Flying Across the Atlantic (H. Winfield Secor) Popular Astronomy (Isabel M. Lewis) Electric Fans for Madame Holstein Instructor Telephone Boards for Students "The Kaiser is Canned—Can Food" (Grace T. Hadley) Practical Chemical Experiments (Albert W. Wilsdon) The Constructor: An Electric Shooting Gallery Improved Capillary Battery (Thomas Reed) That Wonderful Electric Action-Delayer (Thomas Reed) Storage Battery Testing (Harold R. Adams) A Series-Parallel Battery Switch How-To-Make-It: A Laboratory Measuring Instrument; A Rheostat Push-Button; Soldering Iron Heater Wrinkles, Recipes, Formulas (S. Gernsback) Electrical Oscillators (Nikola Tesla) Radio Department: New 1 K.W. Panel Radio Transmitter (Lester F. Ryan) How European Radio "Sigs" are Photographed Here The Pilotron Oscillator (William C. White) Musical Radio-Telegraphic Sets (Jacques Boyer); New Honeycomb Inductance; New Buzzer Set Operate Your Audions on A.C. (Elliott A. White) The Design, Pumping and Testing of Audion Tubes (C. Murray) How Don Flashed the "S.O.S." (Mabel M. Davis) Latest Patents With the Amateurs: "Amateur Electrical Laboratory" Contest Science in Slang (Emerson Easterling) The Oracle Patent Advice (H. Gernsback) Opportunity Ad-lets
Original Publisher: Experimenter Publishing Company, Inc., 1919 Editor: Hugo Gernsback Size: 9" x 12" Issue: Volume 7: Number 3; Whole No. 75; July 1919 Pages: 100