![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
Colorado Springs extra coil discharging laterally across the laboratory from the tip of a wire
"Extra coil" discharging laterally across the laboratory from the tip of a wire forming the free terminal of the coil to the floor and top wire of the secondary.