Profile of an instrument

The number of tones indicated in each case corresponds to the number of reeds of one chorus.
E.g. 76 tones = 76 reeds of one chorus of the instrument. But they are not all different tones, because several tones are duplicated.

The selection of instruments on display is primarily intended to show the variety of developments around a bellows with buttons. The human inventive spirit was also restlessly active here, even if the sense of a of a development does not always reveal itself.

Models, which were produced by the tens of thousands, are followed by models that only exist in small series or as a few only in small series or as a few exotic patterns. Fingering charts about of the keys are only included for some instruments due to lack of space. instruments. The book "Das Bandonion" by Karl Oriwohl contains 150 tables (including all the instruments shown here).