Hau(t)bois (de cornemuse) (m)
(with) definite article: le: l’single chanter: conical, straight, bell / double reed
Sizes given are average (the difference in length of two chanters, though both called "15 pouces", for example, can amount to 20 mm).
Key of 13 pouces (370 mm): D♯; 14 pouces (390 mm): D; 15 pouces (420 mm, most common of all): C♯; 16 pouces (460 mm, rare): C; 17 pouces (480 mm): B♭.
Chassaing, Jean-François: La tradition de cornemuse en Basse-Auvergne et Sud-Bourbonnais [Thèse de doctorat, ethnologie 3e cycle, Univ. Lyon 2, 1981]. Moulins, 1983 (© 1982), p.12, 77, 80, 82.