On sturdy streamlined base with provision for horizontal or vertical use. Forks is manufactured from selected steel. Prong is 10 x 25 x 300 mm. Accurate frequency adjustment, chrome plated, vibrations rate 60 per seconds. Electromagnet can work on 6 volts. The amplitude of vibration can vary by sliding ther electromagnet inside prongs. Complete with stylet, mirror and counterpoise.
