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Sonometer

Model SEL00280

Specifications:

Sonometer, 3-wire: Hollow wooden sounding box 1290x130x 110 mm, with mm scale, has two fixed bridges 72 cm apart over which wires are stretched. To one wire is fitted a spring balance reading to 100Nx5N and its tension can be adjusted by a winged nut and measured. Another wire pass over a pulley and can be located as desired. A third wire, for comparison, can have its tension adjusted by a wrest-pin. With 3 movable bridges, wrest-pin key, spring balance, and set of four wires of different diameters, each 1.5 meter long, without masses.

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