Tuning Forks Set of 13

It comprises two aluminium tubes telescoping into each other, so that the column of air within the tubes may be altered from 30 cms to 53 cms, outer tube fits into a wooden base.

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 there electromagnet inside prongs. Complete with bench clamp, pulley, and scale pan.