 
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.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
