Jim Coleman states catagorically that pin-dope does not ruin blocks. As usual, he is right. Painting the inside of each wrest-plank hole with APSCO dope, the night before stringing an old Steinway, insures no jumpy pins. Famous old Victor Charles of San Francisco did it that way about 40 years, and I for about 20. Ben Treuhaft Underwater Piano Shop Berkeley, Calif.
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