首页 / 官方藏书 / Theory and Practice of Piano Construction / With a Detailed, Practical Method for Tuning / CHAPTER VII. PIANOFORTE STRINGS AND THEIR PROPER DIMENSIONS.
首页 / 官方藏书 / Theory and Practice of Piano Construction / With a Detailed, Practical Method for Tuning / CHAPTER VII. PIANOFORTE STRINGS AND THEIR PROPER DIMENSIONS.