Front rail punchings regulate the downward movement of the piano keys. These punchings often become packed down or moth-eaten. The felt must be firm yet supple. Minute regulation adjustments are made with paper punchings.
Front rail punchings regulate the downward movement of the piano keys. These punchings often become packed down or moth-eaten. The felt must be firm yet supple. Minute regulation adjustments are made with paper punchings.
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