{"id":319,"date":"2016-12-08T19:11:35","date_gmt":"2016-12-08T19:11:35","guid":{"rendered":"http:\/\/blogs.cardiff.ac.uk\/conservation\/?p=319"},"modified":"2017-03-17T18:43:25","modified_gmt":"2017-03-17T18:43:25","slug":"looking-through-the-window-glass","status":"publish","type":"post","link":"https:\/\/blogs.cardiff.ac.uk\/conservation\/looking-through-the-window-glass\/","title":{"rendered":"Looking Through the Window Glass"},"content":{"rendered":"
\n

Over the past year, there has been a lot of activity centered around the treatment procedure of the Blackfriary medieval window glass. To an outsider, it would look like nothing was happening for the first six months. However, the initial stage of the treatment was centered on understanding the glass structure and researching possible treatment strategies. Since this glass was in a damp environment for most, if not all, of its time in the ground, the largest challenge was figuring out how to remove the water from inside the glass without it crumbling away.<\/p>\n

It was decided that transitioning\u00a0the glass\u00a0slowly from a solution made\u00a0primarily of water to one made purely of solvent, and finally to one of a consolidant (Paraloid B-72: an ethyl methacrylate\u00a0and methyl acrylate co-polymer) would remove all the water and replace it with a sturdy material that would support the glass matrix and make it strong enough for research and handling. After testing this procedure, the next task was to assemble a team to help me tackle the immense task of treating all of the nearly two hundred boxes of glass. Luckily, almost everyone in the lab this year was enthusiastic about helping and we are now rotating on a schedule of two conservators per week per twenty boxes of glass. So far we have treated around eighty boxes of glass with tremendous success, and only a few growing pains! While most of the glass has darkened or has insoluble surface concretions, we have seen some beautiful colors and designs.<\/p>\n

As we move into the next part of the school year, we will continue to treat the remaining glass and begin to look into the analysis of it. We hope to be able to characterize the glass and pigments based on their chemical composition using equipment such as an x-ray fluorescence spectrometer (XRF) and a scanning electron microscope (SEM). Be sure to come back in the spring to see what we uncover!<\/p>\n

\"chloe-3\"<\/a>\u00a0\u00a0\"chloe-1\"<\/a><\/p>\n

All photographs show glass fragments after treatment in their custom-cut foam supports, ready to go into boxes for storage. Photos taken by Chloe Pearce.<\/p>\n

Check out my first blog post<\/a>\u00a0to see where this project began.<\/p>\n

For more information on the process before the glass arrived at our lab click here<\/a>.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"Over the past year, there has been a lot of activity centered around the treatment procedure of the Blackfriary medieval window glass. To an outsider, it would look like nothing […]","protected":false},"author":996,"featured_media":323,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[6],"tags":[28,10,36],"class_list":["post-319","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-objects-and-treatments","tag-archaeology","tag-conservation","tag-glass"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4fDDX-59","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":194,"url":"https:\/\/blogs.cardiff.ac.uk\/conservation\/what-happens-when-239-boxes-of-stained-glass-and-lead-are-brought-to-conservators-we-buy-fridges\/","url_meta":{"origin":319,"position":0},"title":"What happens when 239 boxes of stained glass and lead are brought to conservators? We buy fridges!","author":"Meredith Sweeney","date":"March 15, 2016","format":"image","excerpt":"What happens when 239 boxes of stained glass and lead are brought to conservators? We buy fridges! \u00a0 When a small car arrived outside Cardiff University\u2019s John Percival building in mid-October, the conservators waiting outside to greet the representatives from the National Museum Ireland were not expecting to make scores\u2026","rel":"","context":"In "Objects and Treatments"","block_context":{"text":"Objects and Treatments","link":"https:\/\/blogs.cardiff.ac.uk\/conservation\/category\/objects-and-treatments\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/blogs.cardiff.ac.uk\/conservation\/wp-content\/uploads\/sites\/228\/2016\/03\/blog-1-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blogs.cardiff.ac.uk\/conservation\/wp-content\/uploads\/sites\/228\/2016\/03\/blog-1-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/blogs.cardiff.ac.uk\/conservation\/wp-content\/uploads\/sites\/228\/2016\/03\/blog-1-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/blogs.cardiff.ac.uk\/conservation\/wp-content\/uploads\/sites\/228\/2016\/03\/blog-1-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":1661,"url":"https:\/\/blogs.cardiff.ac.uk\/conservation\/group-projects-teamwork-makes-the-dream-work\/","url_meta":{"origin":319,"position":1},"title":"Group Projects: Teamwork makes the dream work","author":"Caitlin Jenkins","date":"March 23, 2020","format":false,"excerpt":"Some objects that arrive at the university lab are too large or complex for a single person to work on, so their responsibility is given to a 'project manager', usually a final-year undergraduate or master's student. 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