Set of 13 Tuning Forks in frequencies between C (512) and C (236).
Made of nickel-plated steel.
(+ / -) 5% of stated frequency.
Designed for physics experimentation and studies on sound.
Includes wood carrying case.
Frequencies in Hz: C (512), B (480), A (426-6), A (405), G (384), F (362), F (341-3), E (320), E (302), D (288), C (271), C (256), C (236).