Jacob's Ladder 1; Repetitive Electrical Build Up And Discharge; Close Perspective. Science Lab, Spark, Arc.

Jacob's Ladder 2; Large, Low Frequency, Slow, Repetitive Electrical Build Up And Discharge; Close Perspective. Science Lab, Spark, Arc.

Jacob's Ladder 3; Repetitive Slow Electrical Build Up With Multiple Discharge; Medium Perspective. Science Lab, Spark, Arc.