Consisting of a superior quality polish wooden box slotted, and carries a glass tube fitted with simple torsion head to support, by means of a silk fibre, a brass stirrup for holding magnet/brass bar etc. Supplied complete with one bar magnet and one brass bar. All metal parts are of magnet and one brass bar. All metal parts are manufactured from superior quality brass alloy. Brass, for suspension of magnets & brass bar. The said stirrup is used in Vibration Magnetometer of Cat. No. 1069.