Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 266
Fig. 243 248 On Sound [259- … becomes indistinct ; and, when a greater number of harmonics is audible, thesound acquires a nasal character. iv. If the harmonics beyond the sixth and seventh are very distinct,the sound becomes sharp and rough. If less strong, the harmonics are notprejudicial to the musical usefulness of the…
Physics
Internet Archive · Public Domain Mark 1.0. Free to use for anything.