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Sonometer P-7391 |
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| Comprising a wooden resonance box of 114cm length, 12.5cm width and 10cm height, with two rules 1 mt. long sub-divided into millimeters. One each brass and steel wire of different dia. attached to fixed bridge and tensioned by line adjustments pegs, two moveable bridges, pulley and fixed screw to enable a third wire to be fixed for tensioning by masses. One each additional wire of steel and brass, each 1.5mt. length and of 22swg. |
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