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| SONOMETER, GRADUATED MONOCHORD
(0723) |
| 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 center with loads or a spring balance. A 60cm scale fixed on one side between two fixed bridges has multi-coloured segments for easy reading, with each smallest block of 1 cm. provided with two movable bridges to facilitate changing effective string length. |
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