… Musical instruments, the sound of which is produced, or must be amplified, electrically (for …
Explanatory notes
… 92.07 ‑ Musical instruments, the sound of which is produced, or must be amplified, electrically (for … instruments (e.g., pianos, accordions, guitars) which, while they may be equipped with an electrical sound pick‑up … which drives it at constant speed. Different sized gear wheels are placed in pairs along the shaft, each wheel …