Books › The varnishes of the Italian violin-makers of the sixteenth, seventeenth and eighteenth centuries, and their influence on tone;, 1904 › scan 13
Scan 13
The varnishes of the Italian violin-makers of the sixteenth, seventeenth and eighteenth centuries, and their influence on tone;, 1904
8 lines. Read by computer on 3 September 2026. No printed page number was found. See the scan on archive.org.
1water and varnish; inconstancy of weight of wood due to moisture—Long digression to illustrate the probable effects of continued vibration on the mutual adhesion and aggregation of the elongated cells of wood—deterioration of tone attributed to dislocation of the cells—such dislocation prevented by saturation with varnish—Decline of response with constant playing; its causes—Disintegration and resumption of cohesion of resins—Complex condition of the diaphragms of varnished violins—Effect of rest—Properties of varnish affect quality of tone—Effects of age—Conditions which affect amplitude of vibration also influence quality of tone …….pages 32—52
3CHAPTER IV.
5ON THE MANUFACTURE OF OIL-VARNISH.
7Definition of perfect and imperfect varnishes—Skill of experts engaged in manufacture of oil-varnish—Laurent Naudin's treatise—His descriptions of the processes—Different qualities of copal; their influence on the products—Want of conduction of heat by resins; its influence on the determination of fusing-points—Fusion of hard copal, solution in linseed-oil, dilution with oil of turpentine—Critical condition of the finished varnish—Failure of attempts to produce varnish by more rational methods—Information given by Naudin as to the chemistry of copal and its derivatives—The bearing of this information on the preparation of varnish—Fusion a misnomer for the splitting of copal by heat—Suggested explanation of the observed phenomena pages 53—60
The computer misreads some letters and numbers. Where a name matters to you, read the scan.