Dance organ

A Mortier dance hall organ at the Great Dorset Steam Fair
At Museum Speelklok in Utrecht
Decap Dance Organ "De Kempenaer" (1938 Made by Belgian Decup) on Rokko Forest Sound Museum in Kobe, Japan

A dance organ (French: Orgue de danse) is a mechanical organ designed to be used in a dance hall or ballroom. Originated and popularized in Paris, it is intended for use indoors as dance organs tend to be quieter than the similar fairground organ.