Tesla diagram showing radio wave oscillations passing around the earth by reflections Image added March 1, 2015 - 12:22 AM
Tesla explains the fallacy of the Franklin pointed lightning rod Image added March 1, 2015 - 12:22 AM
Diagram explaining the fallacy of the Franklin pointed lightning rod Image added March 1, 2015 - 12:22 AM
Diagrams illustrating the evolution of a high-tension transformer Image added March 1, 2015 - 12:22 AM