image is a derivative work of the following images: File:Heinrich Hertz discovering radio waves.png licensed with PD-US 2013-09-13T05:17:32Z Chetvorno 1136x1764...
Public Domain Mark 1.0falsefalse English Diagram of Heinrich Hertz's first radio transmitter Turkish Heinrich Hertz'in ilk radyo vericisinin diyagramı....
org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue English Circuit of Heinrich Hertz's first radio transmitter and receiver...
