The apparatus consists of two hook shaped metal rods that are adjusted on two glass rods. Two balls could be hung by each metal rod with insulating thread. These balls are missing at this apparatus. Identifier: ΗΛ 025.2 DataInventory Number: ele108Maker: DucretetInstrument Categories: Electricity PlacesLocation: Πρότυπο Πειραματικό Γενικό Λύκειο Μυτιλήνης, Πανεπιστημίου Αιγαίου - Model Experimental High School of Mytilene of the University of the AegeanOrigin: Πρότυπο Πειραματικό Γενικό Λύκειο Μυτιλήνης, Πανεπιστημίου Αιγαίου - Model Experimental High School of Mytilene of the University of the Aegean