Description

To study the relationship between the frequency of sound waves and the tension, length, and mass per unit length of a vibrating string. Comprises hollow wooden resonance box with 2 parallel wires, one made from brass and other steel attached to fixed bridge. Movable wooden bridge for adjusting the vibrating length and smooth-running pulley at one end with a clamping system and fixed screw to enable a third wire to be fixed for tensioning by masses. Complete with 2 Bridges.