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.