DataInventory Number: HYD18Date: c.1930Materials: Wood, glassMaker: Factory of Ministry of EducationInstrument Categories: Hydrostatics / HydrodynamicsDemonstration apparatus PlacesLocation: 26ο Γενικό Λύκειο Αθηνών - 26th High School of Athens Origin: 2ο Γυμνάσιο Θηλέων Αθηνών - Second Gymnasium for girls, Athens