| | augmented set of tuning forks, pattern Hartmann (5-piece) |  | 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)
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| Allgemein | | | Manufacturer: | Arno Barthelmes & Co. GmbH - Tuttlingen - Germany |
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