Hornbostel-Sachs number: 422.111.2 (Single) reedpipes with double (or quadruple) reeds oboes, with cylindrical bore, with fingerholes; A. Length: 244mm (9.4 in.), Diameter 38mm (1.2 in.); B. Length: 230mm (9.1 in.), Diameter: 35mm (1.2 in.); C. Length: 142mm (5.5 in.), Diameter: 156mm (5.9 in.); Place of production: Paris (France); Creator: Triébert, Paris; Date of creation: After 1827; Inscription: ‘Exposition de 1827’; so post 1827. A late Triébert. Date by the number of battlements on castle. Two generations, father and son; one has three and the other four battlements. But the key work on the instrument is older than that date.