shcumann 253035027_1057147805101823_645125925880442507_n 253898350_4615075391884545_4002806546760361702_n 252995467_624202608946960_5114735623246431722_n 253159309_426425615771450_3827401387638178696_n Schumann Generator Schumann Generator Schumann Generator Magnetic unifilar Tesla coils Quadruple Octagon Bifilar Scalar coils Quadruple Octagon Bifilar Scalar coils calculator and amplifier for mathematical functions to deliver the dominant Schumann resonance ,7.83hz, with an accuracy of 4digits 7.8301Hz Posted by: on September 16, 2021 ← previous - next →