A set of 10 helmholtz resonators. The laquered brass resonators have the rk monogram which is the signature of “rudolph koenig a paris”. The inscriptions from the biggest to smallest resonators will be as follow; ut2 k1 (koenig) – ut3 k2 – sol3 k3 – ut4 k4 – mi4 k5 – sol4 k6 – 7 k7 – ut5 k8 – re5 k9 – mi5 k10.
