Wenner-Flöten, Singen Germany

Joannes Hyacynthus Rottenburgh (1672 – 1765) A392/398

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

Martin Wenner’s original design A415/430 x2

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