… Parts (for example, mechanisms for musical boxes) and accessories (for example, cards, discs and rolls for mechanical instruments) of musical instruments; metronomes, …
Explanatory notes
… emit one given note; the group also covers large concert‑hall tuning forks consisting of a metal tongue mounted on a sounding box and struck with a hammer. Pitch pipes (tuning pipes) are mouth‑blown and … group covers strings for true string instruments (pianos, harps, violins, violoncellos, mandolines, etc.). These are …