Meissner's Modern, Practical System Of Tuning The Pianoforte is a book written by Meissner and published in 1841. The book provides a comprehensive guide on how to tune a pianoforte, which is a type of piano. Meissner's system is based on the equal temperament tuning method, which is still used today. The book covers topics such as the history of tuning, the physics of sound, and the tools needed for tuning. It also provides step-by-step instructions...