Mini Sonometer
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Instead of a one-off demonstration use the mini-sonometer to give your students hands-on experience of sound production. The apparatus is constructed on an acrylic base with hardwood sides measuring 650 × 100mm overall. It has an integral pulley, wire clamp and half metre scale. A standard steel guitar string is supplied complete with two movable bridges. The wire can be loaded with standard slotted weights up to 1kg to observe the change in pitch etc.