Wenner-Flöten, Singen Germany

Joannes Hyacynthus Rottenburgh (1672 – 1765) A392/396

Pierre-Gabriel Buffardin “Le Fils” (1693 – 1768), A415

Karl August Grenser (1720 – 1807). A415

Karl August Grenser (1720 – 1807). A430/440 1-key, A430 6-key

From the workshop of “S. Koch” dated 1835. Stephan Koch (1772-1828). A435-440 9.5-key

(1/2 key = Left thumb and right index open a single tonehole)

Martin Wenner’s original design A415/430

Martin Wenner’s original design A415-440 5.5-key

(1/2 key = Long F and short F open a single tonehole)