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...rather not [include them] (such as the writings of Baron W. regarding the ratios of tones, which were sufficiently refuted by Marpurg Friedrich Wilhelm Marpurg (1718–1795), a prominent German music critic and theorist, and many others of similar content), because it is more advantageous for science if they pass into oblivion.
Among those who have provided contributions to the knowledge of vibratory motions, the following deserve to be mentioned with particular respect:
Daniel Bernoulli, for his investigations into the vibrations of air in organ pipes and wind instruments, the vibrations of a rod—which he was the first to discover—the vibrations of a string, and the coexistence of multiple types of vibration, found in the writings of the Paris, St. Petersburg, and Berlin Academies of Sciences.
Leonhard Euler. Some writings, through which he was less useful to acoustics, are far better known and mentioned everywhere than other far more instructive treatises by him. In his Attempt at a New Theory of Music original: "tentamen novae theoriae musicae", published in St. Petersburg, 1739, as one of his earliest writings, as well as in his Letters to a German Princess, one finds various things that are not in accordance with nature; for example, the series of 12 tones specified by him is not usable for practical performance for the reasons presented in the note to §. 41, and the way in which he determines the greater or lesser pleasantness of tonal ratios by degrees is for the most part not confirmed by experience. On the other hand, in several less-known treatises located in the writings of the Academies of Sciences in St. Petersburg, Berlin, and Turin—which are cited in this book on various occasions—he made known very many theoretical discoveries regarding the vibrations of strings, rods, air, etc., which completely agree with experience, so that it would be extremely unjust if one were to [judge] a man who has achieved so much...