The Tracing for the Sail Vault at the Murcia Cathedral Vestry: Surveying a 16th-Century Full-Scale Working Drawing

Full-scale tracings, drawn in plaster surfaces or engraved in stone walls and floors, were used frequently in Renaissance construction to control the execution of ashlar masonry. In many occasions, these tracings furnished the shape of the templates used in the dressing process, either in true size...

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Published inInternational journal of architectural heritage Vol. 7; no. 3; pp. 275 - 302
Main Authors Calvo-López, José, Molina-Gaitán, Juan Carlos, Natividad-Vivó, Pau, Alonso-Rodríguez, Miguel Ángel, Rabasa-Díaz, Enrique, López-Mozo, Ana, Taín-Guzmán, Miguel, Sánchez-Pravia, José Antonio
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.01.2013
Subjects
ashlar masonry
full-scale tracings
Jacopo Torni l'Indaco
Murcia Cathedral
Renaissance construction
sail vaults
squaring
stereotomy
surveying
templates
working drawings
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Summary:Full-scale tracings, drawn in plaster surfaces or engraved in stone walls and floors, were used frequently in Renaissance construction to control the execution of ashlar masonry. In many occasions, these tracings furnished the shape of the templates used in the dressing process, either in true size or orthogonal projection. A large example of these tracings appeared in 2009 in the vestry of Murcia Cathedral, when the sacristy drawers were disassembled to execute a conservation treatment against woodworm. At first sight, the tracing seemed to be related to the vault over the vestry, built in 1525 by Jacopo Torni l'Indaco, one of the first examples of ashlar sail vaults in Europe; a number of surveys confirmed that the tracing corresponds with the vault quite precisely. In this study, after an introductory section dealing with tracings and dressing techniques, the authors explain the measuring methods used in the surveys, describe the tracing, compare the tracing with the built vault, and discuss the relevance of the tracing, in order to advance knowledge of the evolution of European stonecutting.
ISSN:1558-3058
1558-3066
DOI:10.1080/15583058.2011.640736