Mentioned only by Williams, who says: Zweckpfeife at Dresden, Schlosskirche, 1563 (H. R. Rodensteen). Long, narrow pipes overblowing at the 12th (i.e. 12' sounding 4') at Hessen Schlosskirche (Compenius, 1596), Frederiksborg Slotskirke (Compenius, 1616, square open wood pipes), and in Praetorius, 1619.