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 65

Scan 65

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

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

1in this case the sound is always the same, as the elasticity in both directions is called into play simultaneously. To obtain this division, it is necessary to clamp the plate where the lines cross one another. In the tables of a violin we can obtain one longitudinal line in the direction of the fibres, and two at right angles to it. If we produce the longitudinal lines, or the transverse ones separately, we shall have different sounds, because the flexions of the tables will be either parallel or at right angles to the fibres. By clamping the table at a point where one of the transverse lines crosses the longitudinal one, we shall divide the belly or back into six vibrating segments, which will oscillate synchronously, and produce the sound it is necessary to determine. The maker who wishes to try his tables will take a wooden clamp, and between two corks, cone-shaped, or two wooden cones covered with leather, will clamp the table and make it vibrate by means of the bow, after having spread over its surface a little of the sand used in offices for drying ink. He will see the nodal lines form, and after a few trials will be able to press the table where two lines at right angles cross one another, and he will then have the required sound. It is necessary to use great care in choosing the wood. It should be dry, the fibres exactly parallel to the length of the instrument, and perfectly symmetrical in shape. He will be able to assure himself of the good construction of his tables by means of the nodal lines, which ought to be perfectly symmetrical, and divide the two halves of the tables in exactly the same manner. He will be sure of producing a good instrument by

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