Bandonia Concertina
System: Prager
uni- and bisonoric, partly logical
(Collection Oriwohl, Nr. 19)
Grandma's hat box
Manufacture: unknown, around 1930, (H: 25cm)
(Zinc plates with handmade nickel silver reeds)
A predominantly unisonoric instrument (46 of 59 Keys).
Left side:
The keyboard mechanism inside.
Left side:
On this page, 12 of 28 keys are bisonoric.
Right side:
31 keys, of which only one is bisonoric.
The two outer rows have the same structure and are shifted by 4 keys against each other.
Left side:
The inside view of the soundposts.
Wilhelm Prager, musician and tinkerer, with the Bandonia-Concertina developed by him.
