Galvanoscope Simple (MG-3049)

It is used to detect the presence and direction of electric current by the deflection of a magnetic needle. It consists of an insulated former wound with 30 turns of copper wire and provided with two terminals and circular scale marked 0-180°-0 divided and figured at every 45°, with magnet pivot and 75mm magnetic needle with brass bearing, operates on 4-6 volts.