Schweizer Conzertina

System: Kaspar Wicky, 168 tones (unisonoric, logical)

Collection Schlossmuseum Beromünster/Schweiz

Manufacture: Kaspar Wicky (Beromünster, Switzerland), Patent 1896

Kaspar Wicky, in collaboration with D. Kümin, constructed the first unisonoric tone system in bandonion size. In the picture, his concertina is held by two movable stands.

The multiple inventor Wicky also developed wind instruments and a washing machine. He spent seven years in the USA mill construction and repair.
(detailed in German: "From the history of the Wicky family of musicians")

William Wakker in the USA builds Concertinas with the Wicky system.