Tuba curva

Tuba curva 1. syn. of the Roman cornu; 2. an 18th-c. Fr. revival of the classical cornu, first used in 1791, when Voltaire's remains were transferred from the Abbaye de Scellières to the Panthéon, accompanied by an “immense cortège.” The tuba curva was built in form of a semicircle by Jean-François Cormeri of Paris, and sounded A0 a0 e1 a1; 150 cm. (5 ft.) long, with a bell 19 cm. (7½ in.) wide.