Bow & Bridge Violin and bow makers, as the old books printed them

Books › The Violin: A concise exposition of the general principles of construction.., 1871 › scan 77

Scan 77

The Violin: A concise exposition of the general principles of construction.., 1871

8 lines. Read by computer on 28 September 2026. No printed page number was found. See the scan on archive.org.

1the second rod \( b \) \( b \), at a point \( c \) in this latter, held immovable by the obstacle \( d \). If \( a \) be made to vibrate transversely, \( b \) will also vibrate transversely, as indicated by the dotted lines. This appears to be the real state of the case in the violin, where \( a \) would represent the right foot of the bridge vibrating under the influence of the strings from right to left, \( b \) the belly and \( c \) the sound-post.
3Again, Savart in the same M\'emoire stated that it was found impossible to cause a rod to vibrate longitudinally when one of its ends was rigidly fixed. How, then, can the post be the seat of longitudinal vibrations if one end of it is employed in maintaining the right foot of the bridge in a state of rest?
5The second deduction of Savart's, then, seems to be the true one, and is in perfect accordance with the remarks I have made above. A noticeable fact, deduced from Savart's experiments on the sound-post which seems to confirm this, is, that the pressure of the post is only required to be exerted on the belly. The third deduction of Savart's seems to be of little importance, for, if the second be true, the communication between the tables must be principally effected by the sides. Savart then proceeds to examine the mutual reaction that the tables and the contained mass of air exert the one upon the other. This section contains the cream of the matter, and the experiments cited are of the greatest interest. Let us briefly recapitulate what Savart puts forward in this section.
7He proves by experiments that the tables and air, within certain limits, always vibrate synchronously, that the sounds of an instrument are at their best,

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