RYDEL SEIFFER TUNING FORK - USES & HEALTH BENEFITS - MEDICAL DEVICES

Rydel-Seiffer tuning fork



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The Rydel-Seiffer tuning fork is an (almost) normal tuning fork with the basic frequencies 64 and 128 Hz, the natural C and C vibrations, which differ slightly from today's concert vibration, which is based on the concert pitch a with 440 Hz