An Introduction to Natural Philosophy Designed As a Text book for the Use of
An Introduction to Natural Philosophy Designed As a Text book for the Use of
Denison Olmsted
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Such ex- periments may be extended to all solid bodies by placing upon them pieces of paper, or strewing them with fine sand. 521. Vibrations recurring at equal intervals, constitute musical sounds. All continued sounds, which remain in any degree uni- form throughout their duration, are capable of being compared with each other in their degree of acuteness. When sounds are equally acute, they are said to have the same pitch ; but when they differ in acuteness, that sound which is more shrill, ...is said to be acute, or to have a higher pitch ; and that which is less shrill, is said to be grave, and to have a lower pitch, or a deeper tone. A difference in pitch forms the chief character by which musical sounds are distinguished from each other, and is the foundation of their use in music. In unmusical sounds, it generally holds a place subordinate to their other qualities. Millington's Natural Philosophy, jk 123. 356 NATURAL PHILOSOPHY. Musical sounds have occupied the attention of philosophers more than any other class of sounds.
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