The stand of the turbine is not the original. Also, the original tubes have been replaced by new. The original stand had a wide vessel under the turbine. This contained alcohol for heating the turbine. DataInventory Number: THE13Date: c.1960Maker: Factory of Ministry of EducationInstrument Categories: MechanicsThermodynamicsDemonstration apparatus PlacesLocation: 26ο Γενικό Λύκειο Αθηνών - 26th High School of Athens Origin: 2ο Γυμνάσιο Θηλέων Αθηνών - Second Gymnasium for girls, Athens