Those of you who are interested in the Ariston Organette, please take a
look at the following auction:

    http://www.ebay.de/itm/ARISTON-DREHORGEL-UM-1870-/161160720368?pt=Antike_Musikinstrumente&hash=item2585ed6ff0 

Note those strange levers which seem to be some sort of volume control.
Or what?  And do you have any idea which model this is?

Christofer Noering
Stockholm, Sweden