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Pathology

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EROSION
EROSION

Sample

Lithography in cellulose support of vellum paper, entitled “La Saite Bible”, representing a Genesis scene.
L. Turgis, 19th century. University of Barcelona. Spain


Pathology Causes

Lepismasaccharina (family Lepismatidae) is attracted to cellulose and starch of documents, paper, books and stamps, as well as their glues, sizes, starches and binding mediums of some painting techniques.

Visual Image

Author: Àngela Sitges Febrer
Description: Lepismasaccharina, known as silverfish, produces shallow and irregular and circular erosions. This insect can create crater-shaped holes leaving an indelible mark of its existence.

Image detail / macro

EROSION
Author: Àngela Sitges Febrer
Magnification: Scale
Description: Detail of irregular and circular erosions.

Associated Pathologies

Biological attack.
Loss of support.

Observations

This characteristic and exogenous erosion by biological attack causes surface damage, loss of support and supported element, and loss of resistance by altering its integrity.

 

File author: Àngela Sitges Febrer.

Subject: Examen, Diagnóstico y Documentación II.


Bibliography

CALVO MANUEL, A.  Conservación y restauración. Materiales, técnicas y procedimientos. De la A a la Z. Barcelona: Ediciones del Serbal, 1997.


GALLO, F. Biological factors in deterioration of paper. Roma: ICCROM, 1985.


MUÑOZ VIÑAS, S. La restauración del papel. Madrid: Editorial Tecnos. Grupo Anaya, S.A., 2010.


Author

Secció Conservació-Restauració. Facultat Belles Arts. ub.conservacio.restauracio@gmail.com

Education


Institution or Company

Universitat de Barcelona


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