![Tesla at a banquet](/sites/default/files/styles/default_extra_large/public/theme-images/hero-images.jpg?itok=vaECt2og)
Nikola Tesla Images and Photographs
Images and photographs of, or related to, Nikola Tesla
Illustrating influence of obstacle in the path of transmission
Fig. 17. — Illustrating Influence of Obstacle In the Path of Transmission as Evidence Against the Hertz-wave Theory.