typophone /ˈtaɪpəˌfoʊn/ noun1 •A musical keyboard instrument that produces sound by striking tuned brass rods that are coupled to a spruce soundboard. It was a precursor to the celesta.The conductors of the Revue et Gazette Musicale have given another concert at their establishment, a performance on the typophone being one of the chief attractions in the programme. — 1870 formstypophones