String-playing machine designed and made by Aladár Rácz, a musician.
1. length: 60 cm; width: 19,5 cm; height: 24 cm;
2. length: 17 cm; diameter: 10 cm;
3. length: 101 cm; width: 24 cm; height: 8 cm;
5. length: 25 cm; width: 20,5 cm; height: 6 cm
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