Rukopis Laboratorija uključena is a spark gap and jacob's ladder the same lavanda dual Igranje šaha
HV PSU / Jacobs ladder - Extreme Electronics
JACOB'S LADDER
The Jacob's Ladder is a high voltage climbing arc – The Wonders of Physics – UW–Madison
a Jacob's Ladder (spark gap) where electricity arcs upwards between two wires, representing a ladder when captured in long exposure Stock Photo - Alamy