Sackpfiiffe (f)
(with) definite article: dieBagpipe, mouth-blown: 2 stocks (a: single chanter / b: 2 drones in 1 stock)
Seen in old pictures; Last observation 1891 [?].
Conical chanter, often with bell; 2 drones in 1 stock (Hümmelchen type), either both, or only the longer with bell.
Bachmann-Geiser, Brigitte: Die Volksmusikinstrumente der Schweiz (Handbuch der europ. Volksmusikinstr. 1/4). Leipzig, 1981, p.85 (»Burdet).
Baines, Anthony: Bagpipes [1960]. Oxford, 1973 (revised), ➺ p.118.