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- Vernice_bianca abstract "Vernice bianca is a type of sealer varnish used in violin making. It is mainly prepared with a mix of egg white and gum arabic.The following is taken directly from American Lutherie #10 in 1987 when interviewing Jack Batts. It is also in The Big Red Book vol 1 from Guild of American Luthiers.A recipe for “Vernice Bianca” from Simone Fernando Sacconi25g of gum arabic1/2 teaspoon of honey1/4 teaspoon of rock candyabout 100cc of wateralbumen from one egg white.- Crush the rock candy- Warm the water but do not boil- Slowly add the gum arabic, stirring constantly until dissolved- Add honey and rock candy- Strain the mixture through a fine cloth (handkerchief or sheeting) and let coolWhile the mixture is cooling- whip an egg white into a meringue and turn the bowl on edge.- Allow the mixture to settle out and remove the liquid that separates. (This is the albumin)- Add the albumin to the cooled mixture and stir well.Use this Vernice Bianca immediately and discard the rest.Sacconi advocated that after potassium silicate had been put on very sparingly, you should cover it completely with the vernice bianca before varnishing.This preparation is highly efficient in strengthening the inside and outside of violins, as well as improving the acoustic of the instruments. (Increased wave propagation speed and decreased dampening of vibration).According to Simone Fernando Sacconi, this "white varnish" is of significant importance in violin making as it allows for thinner plates, lighter and better sounding instruments. One can apply two layers of this preparation inside as well as outside of the sound box. This white varnish is transparent and is absorbed by the wood. It is absorbed by the spruce top more than by the other maple parts; it has an uniforming effect on the whole soundbox.This preparation is likely to be a key element for the "secret" of old Cremonese instruments as a classical violin with most of its varnish gone keeps its acoustical qualities, whereas an instrument re-varnished with a wrong varnish is suffocated and loses its acoustical qualities.This varnish won't turn a bad instrument into a good one. The soundbox prior to the white varnish application must be fine tuned (plate tuning). The genius of Stradivarius was, according to Sacconi, that he was able to anticipate the modification and the potential improvement of the Vernice Bianca application and tune the unfinished instrument accordingly.".
- Vernice_bianca wikiPageID "3189410".
- Vernice_bianca wikiPageRevisionID "544201981".
- Vernice_bianca auto "yes".
- Vernice_bianca date "December 2009".
- Vernice_bianca hasPhotoCollection Vernice_bianca.
- Vernice_bianca subject Category:Violins.
- Vernice_bianca type Artifact100021939.
- Vernice_bianca type BowedStringedInstrument102880546.
- Vernice_bianca type Device103183080.
- Vernice_bianca type Instrumentality103575240.
- Vernice_bianca type MusicalInstrument103800933.
- Vernice_bianca type Object100002684.
- Vernice_bianca type PhysicalEntity100001930.
- Vernice_bianca type StringedInstrument104338517.
- Vernice_bianca type Violin104536866.
- Vernice_bianca type Violins.
- Vernice_bianca type Whole100003553.
- Vernice_bianca comment "Vernice bianca is a type of sealer varnish used in violin making. It is mainly prepared with a mix of egg white and gum arabic.The following is taken directly from American Lutherie #10 in 1987 when interviewing Jack Batts.".
- Vernice_bianca label "Vernice bianca".
- Vernice_bianca label "Vernice bianca".
- Vernice_bianca sameAs Vernice_bianca.
- Vernice_bianca sameAs m.08y1w3.
- Vernice_bianca sameAs Q3555970.
- Vernice_bianca sameAs Q3555970.
- Vernice_bianca sameAs Vernice_bianca.
- Vernice_bianca wasDerivedFrom Vernice_bianca?oldid=544201981.
- Vernice_bianca isPrimaryTopicOf Vernice_bianca.