a precision set of 13 tuning forks calibrated to the tones of the planet's rotation calculated by Hans Cousto
for gongs up to 55 cm diameter
for gongs up to 40 cm diameter
Chimes Set
Chimes Set
for gongs and flat drums up to 50 cm diameter
for gongs and flat drums up to 45 cm diameter
for gongs up to 40 cm diameter