System: Zademack, Micklitz(Sohn), Gerlinger (unisonoric, logical)

(Collection Oriwohl, Nr. 99)

Manufacture: Co. Meinel u. Herold (founded 1893, Klingenthal, Saxony), from 1925. Aluminium single reedplates with steel reeds, 2-choirs.

This model is the end point of the developments mentioned in the latest instruments. From the first Zademack model to the A. Gerlinger auxiliary row 22 years passed. In the meantime, the left side was completely discarded and redesigned. All with the aim of saving learners the laborious and time-consuming task of searching for notes on the bisonoric instruments.