Set of Tuning Forks for Aurists c 128 Hz/ c1 256 Hz/ c2 512 Hz/ c3 1024 Hz/ c4 2048 Hz (in velvet-lined case / imitation leathers referred)

Set of Tuning Forks for Aurists c 128 Hz / c¹ 256 Hz / c² 512 Hz / c³ 1024 Hz / c4 2018 Hz / c5 4096 Hz (in velvet-lined case / imitation leathers referred)

Set of Tuning Forks for Aurists Large set, pattern hartmann-Ostmann, containing: Contains: C-1 32 Hz/ c 64 Hz/ C 128 Hz/ C1 256 Hz/ c2 512 Hz/ c3 1024 Hz/ c4 2048 Hz/ cf5 4096 Hz

Set of 5 alluminium-alloy tuning forks, in a case (c 128 Hz, c1 256 Hz, c2 512 Hz, c3 1024 Hz, c4 2048 Hz)