Pair of Steel Tuning Forks in Wood Bases-(ELS-TUN1020)

Pair of Steel Tuning Forks in Wood Bases - For demonstrating the production of beat frequencies. Comprises two nickel plated forks A (440Hz ±;5%) mounted on individual boxes. One fork is provided with adjustable mass by means of which frequency may be shifted from the nominal 440Hz. When both forks are sounded a clearly audible 'beat' is produced, its rate depending upon the difference in frequency between the forks. -