Tuning Fork - Electrically Maintained

Mounted on sturdy streamlined base. Steel forks Prong is 10 x 25 x 300 mm On sturdy streamlined base with provision for horizontal or vertical use. Forks are 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 the electromagnet inside prongs. Complete with styled, mirror and counterpoise.