CONTENTS.PAGESome Remarks by the Publisher5Introductory Remarks9The Evolution of the Modern Pianoforte13Description of the Modern Pianoforte23Acoustical Laws of Sounding Strings28The Musical Scale and Musical Intonation36The Equal Temperament44Pianoforte Strings and Their Proper Dimensions48Resonance and the Resonance-Apparatus of the Pianoforte58The Casing and Framing of the Pianoforte67The Iron Frame of the Pianoforte79The Mechanism of Percussion92The Touch Mechanism96The Regulation of Pianoforte Touch-Mechanism113Tuning and Tone Regulation of the Pianoforte122The Draughting of the Pianoforte Scale135Conclusion139Appendix A—Development of Player Piano144Appendix B—The Small Grand153