It comprises two tuning forks each of frequency 426 Hz on two separate resonance boxes. One fork is fitted with adjustable loading mass. When both forks are sounded together, a clearly audible beat is produced. Rate of beats depends on difference in frequencies. This difference can be increased by changing the loading mass.
Member Since 21 Years
Nature of Business Manufacturer
For Buyer 
For Seller 
Help 
Mahesh Nagar, Ambala, Haryana