flauto traverso by Martin Wenner after Jacques Hyacinth Rottenburgh, 392 Hz
flauto traverso by Martin Wenner after Carlo Palanca, 415 Hz
flauto traverso by Martin Wenner after August Grenser, 430 and 440 Hz
flauto dolce soprano by Moeck after Jan Steenbergen, 415 Hz Hz
flauto dolce soprano by Moeck after Rottenburgh, 440 Hz
flauto dolce alto by Joachim Rohmer after Pierre Jaillard Bressan, 415 Hz
flauto dolce alto by Moeck after Rottenburgh, 440 Hz