Consists of a hollow wooden box with two metre scales graduated in millimetres mounted along the length on each side. Brass and steel wires of different diameter are joined to a fixed bridge at one end of the box and tensioned by wrest pins at the other end.

We are manufacturers and suppliers of the Wooden Sonometer, serving Algeria, Argentina, Australia, Bahrain, Bangladesh, Belgium, Bhutan, Brazil, Cambodia, Cuba, Cyprus, Denmark, Ecuador, Egypt, Ethiopia, Finland, France, Georgia, Germany, Ghana, Hungary, Iceland, Italy, Japan, Jordan, Kenya, Kuwait, Malaysia, the Philippines, Tanzania and Uganda.