首页 / 官方藏书 / Theory and Practice of Piano Construction / With a Detailed, Practical Method for Tuning / CHAPTER XIV. TUNING AND TONE REGULATION OF THE PIANOFORTE.
首页 / 官方藏书 / Theory and Practice of Piano Construction / With a Detailed, Practical Method for Tuning / CHAPTER XIV. TUNING AND TONE REGULATION OF THE PIANOFORTE.