Sonometer (Teak Wood, Brass Fitting)

Comprising a teak wood resonance box 1140×125×100 mm length × width × height with meter scales one meter long subdivided in millimeters. One each brass and steel wires of S.W.G. 26 and 24 respectively, attached to a fixed bridge and tensioned by fine adjustment pegs: two moveable bridges, pulley and fixed screw to enable a third wire to be fixed for tensioning by weights. The Vibrating length of wire can be changed by changing the position of moveable bridges. Wooden resonance box is made from superior quality teak wood and all metal parts are of brass