Pub Date : 2020-09-01DOI: 10.1080/19455224.2020.1827604
J. Kemp
{"title":"Editorial","authors":"J. Kemp","doi":"10.1080/19455224.2020.1827604","DOIUrl":"https://doi.org/10.1080/19455224.2020.1827604","url":null,"abstract":"","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"193 - 194"},"PeriodicalIF":0.8,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1827604","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42454491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1770447
J. Kemp
{"title":"Editorial","authors":"J. Kemp","doi":"10.1080/19455224.2020.1770447","DOIUrl":"https://doi.org/10.1080/19455224.2020.1770447","url":null,"abstract":"","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"123 - 124"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1770447","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48989988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1781399
Isobel M. Griffin, A. O’Regan
The authors of A methodology for the removal of area bonded fibre laminates from paper-based objects at the National Library of Scotland wish to correct the description in section 4 of the treatment for the removal of ABF developed by the National Archives, to note that the research was undertaken by Dr Lora Angelova and Ilaria Budgen at the National Archives, and the treatment was undertaken Ilaria Budgen. They also note that the acknowledgements should have included special thanks to Claire Thomson at the National Library of Scotland, who came up with the idea for the project and assisted with the testing. Journal of the Institute of Conservation, 2020 Vol. 43, No. 2, 192, https://doi.org/10.1080/19455224.2020.1781399
{"title":"Correction","authors":"Isobel M. Griffin, A. O’Regan","doi":"10.1080/19455224.2020.1781399","DOIUrl":"https://doi.org/10.1080/19455224.2020.1781399","url":null,"abstract":"The authors of A methodology for the removal of area bonded fibre laminates from paper-based objects at the National Library of Scotland wish to correct the description in section 4 of the treatment for the removal of ABF developed by the National Archives, to note that the research was undertaken by Dr Lora Angelova and Ilaria Budgen at the National Archives, and the treatment was undertaken Ilaria Budgen. They also note that the acknowledgements should have included special thanks to Claire Thomson at the National Library of Scotland, who came up with the idea for the project and assisted with the testing. Journal of the Institute of Conservation, 2020 Vol. 43, No. 2, 192, https://doi.org/10.1080/19455224.2020.1781399","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"(192) - (192)"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1781399","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42842373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1753793
Camille Polkownik, T. Emmett
Abstract Prismatic lead white was first described by Walter C. McCrone in 1983 when it was identified via polarised light microscopy in three paintings by Edouard Manet. It is characterised by crystals in the shape of bullets or pills (i.e. prism-shaped, hence ‘prismatic lead white’). McCrone attributed the formation of these crystals, morphologically distinct from those of ‘normal’ lead white, to processing conditions characteristic of precipitated lead white. These ‘prismatic’ crystals have subsequently been identified as cerussite (orthorhombic lead carbonate, PbCO3). Their presence has been tentatively used to date artworks painted from the nineteenth century onwards. The article will show, through reproducing historic pigment recipes of post-treatments, that prismatic lead white can also be formed in the stack lead white process and so its presence should not be used as a criterion for dating. This article investigates the formation of these prismatic crystals in the context of the manufacture and history of lead white.
1983年，Walter C. McCrone通过偏光显微镜在爱德华·马奈的三幅画中发现了棱柱状铅白。它的特点是子弹或药丸形状的晶体(即棱柱形，因此“棱柱形铅白”)。McCrone将这些晶体的形成归因于沉淀白铅的加工条件，这些晶体在形态上与“正常”白铅不同。这些“棱柱状”晶体随后被鉴定为铈矿(正晶型碳酸铅，PbCO3)。它们的存在被暂时用于确定19世纪以来绘画作品的年代。本文将通过再现历史上后期处理的颜料配方来说明，棱柱状的铅白也可以在堆积铅白的过程中形成，因此它的存在不应该作为测年的标准。本文在白铅的制造和历史背景下研究了这些棱柱状晶体的形成。
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Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1753795
E. Farrell
Abstract The removal of concretion from the bores of cast iron, marine archaeological artillery represents an unusual mechanical problem for conservators. While the exterior may be cleaned like any other concreted iron object, the interior has extremely limited access. Specialised tools are therefore required to remove this concretion. Over the last several decades, many laboratories which regularly clean artillery have developed methods using coring drills for this process, sometimes supplemented with other tools. The exact drilling apparatus and operating methods vary widely, since multiple conservation laboratories have developed unique systems for this process and each operates under different constraints and towards different specific goals. This article serves to publish some basic design elements for different artillery boring assemblies. In describing different methods, comparisons are made with respect to the goals, constraints and priorities which produced a given design. The benefits and drawbacks of those designs are then evaluated.
{"title":"A review of selected drilling methods used to de-concrete cast iron, smoothbore, marine archaeological artillery","authors":"E. Farrell","doi":"10.1080/19455224.2020.1753795","DOIUrl":"https://doi.org/10.1080/19455224.2020.1753795","url":null,"abstract":"Abstract The removal of concretion from the bores of cast iron, marine archaeological artillery represents an unusual mechanical problem for conservators. While the exterior may be cleaned like any other concreted iron object, the interior has extremely limited access. Specialised tools are therefore required to remove this concretion. Over the last several decades, many laboratories which regularly clean artillery have developed methods using coring drills for this process, sometimes supplemented with other tools. The exact drilling apparatus and operating methods vary widely, since multiple conservation laboratories have developed unique systems for this process and each operates under different constraints and towards different specific goals. This article serves to publish some basic design elements for different artillery boring assemblies. In describing different methods, comparisons are made with respect to the goals, constraints and priorities which produced a given design. The benefits and drawbacks of those designs are then evaluated.","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"142 - 161"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1753795","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42316009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1765594
R. Janssen
This book comprises the proceedings of a conference of the same title, which was held at the Fitzwilliam Museum, Cambridge over three days in April 2016. Representing the culmination of the museum'...
{"title":"Rosalind Janssen reviews","authors":"R. Janssen","doi":"10.1080/19455224.2020.1765594","DOIUrl":"https://doi.org/10.1080/19455224.2020.1765594","url":null,"abstract":"This book comprises the proceedings of a conference of the same title, which was held at the Fitzwilliam Museum, Cambridge over three days in April 2016. Representing the culmination of the museum'...","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"189 - 191"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1765594","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49446156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1765593
Flavia Parisi
{"title":"Flavia Parisi reviews","authors":"Flavia Parisi","doi":"10.1080/19455224.2020.1765593","DOIUrl":"https://doi.org/10.1080/19455224.2020.1765593","url":null,"abstract":"","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"187 - 189"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1765593","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48059349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1754263
L. Brostoff, S. Zaleski, Carol Lynn Ward-Bamford, E. Montagnino, I. Muller, A. Buechele, M. Loew, Fenella G. France
Abstract The Industrial Revolution led to mass production of many materials that naturally found their way into nineteenth century cultural heritage. One such material is flat glass, the manufacture of which underwent a succession of innovations that influenced the burgeoning field of photography. Results of historical research illustrate how changes in the glass industry contributed to the diversity of glass available to nineteenth century photographers either as cover glass in enclosures or as substrates. This information provides important context for limited surveys of nineteenth century photographic glass in two historical society collections using only microscopy and X-ray fluorescence (XRF). Survey results, plus microscopy, XRF, and OCT and analysis of historical and artificially aged model glass, provide new evidence about instability in glass in historical collections of photography, and underscore the potential for any type of nineteenth century glass to undergo progressive deterioration involving attack on the silicate network in adverse microclimates. Results have implications for both prioritisation of collection needs and conservation practices.
{"title":"Nineteenth century glass manufacture and its effect on photographic glass stability","authors":"L. Brostoff, S. Zaleski, Carol Lynn Ward-Bamford, E. Montagnino, I. Muller, A. Buechele, M. Loew, Fenella G. France","doi":"10.1080/19455224.2020.1754263","DOIUrl":"https://doi.org/10.1080/19455224.2020.1754263","url":null,"abstract":"Abstract The Industrial Revolution led to mass production of many materials that naturally found their way into nineteenth century cultural heritage. One such material is flat glass, the manufacture of which underwent a succession of innovations that influenced the burgeoning field of photography. Results of historical research illustrate how changes in the glass industry contributed to the diversity of glass available to nineteenth century photographers either as cover glass in enclosures or as substrates. This information provides important context for limited surveys of nineteenth century photographic glass in two historical society collections using only microscopy and X-ray fluorescence (XRF). Survey results, plus microscopy, XRF, and OCT and analysis of historical and artificially aged model glass, provide new evidence about instability in glass in historical collections of photography, and underscore the potential for any type of nineteenth century glass to undergo progressive deterioration involving attack on the silicate network in adverse microclimates. Results have implications for both prioritisation of collection needs and conservation practices.","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"125 - 141"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1754263","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48373470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-03DOI: 10.1080/19455224.2020.1753794
Iraia Anthonisen-Añabeitia, Itxaso Maguregui
Abstract Since the 1990s digital printing has become ubiquitous on the contemporary art scene. Artists from diverse disciplines employ different technologies, materials and techniques to create their artworks. The use of a wide range of materials affects their correct identification in museum and institutional collections such that a precise registration process using accurate terminology to clearly record concise information about each work is essential. To achieve this, gaining access to the information that printing laboratories and artists gather is an important issue. In this article information collected in a survey conducted with printing studios and artists across Spain and the UK is presented. Some interesting concerns were gathered including on materiality, artists’ beliefs about the deterioration of their work, and reproduction as a conservation strategy and its influence on market value, all of which help to understand more fully the conservation needs for this type of artwork.
{"title":"An approach to the conservation of digital printing: technologies and materials employed by artists","authors":"Iraia Anthonisen-Añabeitia, Itxaso Maguregui","doi":"10.1080/19455224.2020.1753794","DOIUrl":"https://doi.org/10.1080/19455224.2020.1753794","url":null,"abstract":"Abstract Since the 1990s digital printing has become ubiquitous on the contemporary art scene. Artists from diverse disciplines employ different technologies, materials and techniques to create their artworks. The use of a wide range of materials affects their correct identification in museum and institutional collections such that a precise registration process using accurate terminology to clearly record concise information about each work is essential. To achieve this, gaining access to the information that printing laboratories and artists gather is an important issue. In this article information collected in a survey conducted with printing studios and artists across Spain and the UK is presented. Some interesting concerns were gathered including on materiality, artists’ beliefs about the deterioration of their work, and reproduction as a conservation strategy and its influence on market value, all of which help to understand more fully the conservation needs for this type of artwork.","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"162 - 173"},"PeriodicalIF":0.8,"publicationDate":"2020-05-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2020.1753794","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48693275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-01-02DOI: 10.1080/19455224.2019.1706591
Lucía Pereira-Pardo, L. N. Melita, C. Korenberg
Abstract Research was conducted at the British Museum to investigate the potential of Er:YAG lasers to address challenging conservation problems where traditional conservation methods had failed. The approach followed was to perform laser tests on model samples and unregistered objects to determine the laser alteration threshold fluence on each substrate and the ability of the laser to remove contaminants, such as inorganic crusts and organic coatings. The effects of the laser were assessed by means of optical microscopy, scanning electron microscopy and colour measurements. If tests were successful on the samples and unregistered objects, the laser was then used on artefacts from the collection of the British Museum. This article details the successful results obtained using Er:YAG lasers for the removal of corrosion from metals, remains of old adhesives from ceramics and shells, mould from polychromed limestone and terracotta, modern overpainting and varnish from a fresco painting.
{"title":"Tackling conservation challenges using erbium lasers: case studies at the British Museum","authors":"Lucía Pereira-Pardo, L. N. Melita, C. Korenberg","doi":"10.1080/19455224.2019.1706591","DOIUrl":"https://doi.org/10.1080/19455224.2019.1706591","url":null,"abstract":"Abstract Research was conducted at the British Museum to investigate the potential of Er:YAG lasers to address challenging conservation problems where traditional conservation methods had failed. The approach followed was to perform laser tests on model samples and unregistered objects to determine the laser alteration threshold fluence on each substrate and the ability of the laser to remove contaminants, such as inorganic crusts and organic coatings. The effects of the laser were assessed by means of optical microscopy, scanning electron microscopy and colour measurements. If tests were successful on the samples and unregistered objects, the laser was then used on artefacts from the collection of the British Museum. This article details the successful results obtained using Er:YAG lasers for the removal of corrosion from metals, remains of old adhesives from ceramics and shells, mould from polychromed limestone and terracotta, modern overpainting and varnish from a fresco painting.","PeriodicalId":43004,"journal":{"name":"Journal of the Institute of Conservation","volume":"43 1","pages":"25 - 43"},"PeriodicalIF":0.8,"publicationDate":"2020-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/19455224.2019.1706591","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48772372","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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