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collars with hooks
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Tunning Forks on Resonance Box collars with hooksFor demonstrating the formation of basic major cord. Comprises four tuning forks mounted on a single wooden box in a line at the top and having frequencies (Hz) of C1(256), E(320), G(384), C2(512). Supplied with hammer. Premium Quality: Tuning Fork is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science
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