Books › The Violin: A concise exposition of the general principles of construction.., 1871 › scan 63
Scan 63
The Violin: A concise exposition of the general principles of construction.., 1871
4 lines. Read by computer on 28 September 2026. No printed page number was found. See the scan on archive.org.
1The disposition of the drum, its fibrous nature, which has already given rise to several theories of audition, would play the same rôle in the ear as we have attributed to the fibres of the deal, and to facilitate the vibration of several parts of this organ. Here is an experiment among several others which we could cite, to justify our assertion. We take several parallel rods of unequal length forming a surface; upon which we glue some parchment. By producing sounds varying in pitch beneath this body, we shall see that the vibratory movement always commences in the rod nearest in unison with the sound produced, and then communicates itself to the whole system, causing the parchment to vibrate as a plate.
3The violin is then an instrument consisting of strings, plates, and a mass of air; all these elements vibrate in unison, and the mass of air ought to give the sound \( do = 512 \) vibrations for the construction generally admitted. The position of the bridge, the place occupied by the post, and its pressure upon the tables of the instrument, have great influence upon the sound. The player ought to pay great attention to the relative position of the various parts of his instrument. The fundamental sound of the air can be influenced by a bad disposition of the post, and render more or less bad an instrument otherwise having all the qualities essential to a good instrument. The pressure of the post upon the tables can modify the sound of the air and of the tables by rendering them lower or higher; if it is too short the sound will be too low, and the lower sounds of the violin will be favoured; if it is too
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