dulcitone
/ˈdʌlsɪtəʊn/noun
- a musical keyboard instrument in which a series of steel tuning forks are struck by hammers. It was invented in the late 19th century and was superseded by the celesta.音叉琴（发明于19世纪晚期, 后被钢片琴取代）。
词源
late 19th cent.: coined by T. Machell, the instrument's inventor, from Latin dulcis 'sweet' + tonus 'tone'.