Reedpipes [422]

1. Double reeds [422.1]
   1. Cylindrical bore [422.111]
   2. Conical bore [422.112]
2. Simple reeds [422.2]
   1. Cylindrical bore [422.211]
   2. Conical bore [422.212]
3. Free reeds [422.3]
4. Membrane reeds [422.?]
   1. Cylindrical bore [422.?11]
      1. Make a membrane chalumeau
   2. Conical bore [422.?12]