Pyramid piano

Pyramid piano (Fr.: piano pyramidal; Ger.: Pyramidenklavier), *upright grand piano in form of a truncated pyramid. Owing partly to its decorative effect, the pyramid piano remained pop. until ca. 1825, when it was replaced by the *upright piano. Earlier specimens had curved sides, later ones straight sides. For a long time Christian Ernst Friderici was said to have invented the pyramid piano in 1745, and even to have christened it “Pyramide.” He may have christened it, but an older pyramid…