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Comprises a hollow resonance box with 60 cm scale printed on one side and with three adjustable strings, two strings by means of wrest pin while third one at the centre with loads or a spring balance.
For investigating pitch of vibrating strings as a function of their tension, length and thickness. Comprises a hollow resonance box with three adjustable strings, two strings by means of wrest pin while third one at the centre with loads or a spring balance. A 60 cm scale printed on one side between two fixed bridges has multi-coloured segments for easy reading, with each smallest block of 1cm provided with two movable bridges to facilitate changing effective string length.
For investigating pitch of vibrating strings as a function of their tension, length and thickness. Comprises a hollow resonance box with three adjustable strings, two strings by means of wrest pin while third one at the centre with loads or a spring balance. A 60 cm scale printed on one side between two fixed bridges has multi-coloured segments for easy reading, with each smallest block of 1cm provided with two movable bridges to facilitate changing effective string length.
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