{"id":194,"date":"2016-03-15T16:41:22","date_gmt":"2016-03-15T16:41:22","guid":{"rendered":"http:\/\/blogs.cardiff.ac.uk\/conservation\/?p=194"},"modified":"2018-01-02T13:22:28","modified_gmt":"2018-01-02T13:22:28","slug":"what-happens-when-239-boxes-of-stained-glass-and-lead-are-brought-to-conservators-we-buy-fridges","status":"publish","type":"post","link":"https:\/\/blogs.cardiff.ac.uk\/conservation\/what-happens-when-239-boxes-of-stained-glass-and-lead-are-brought-to-conservators-we-buy-fridges\/","title":{"rendered":"What happens when 239 boxes of stained glass and lead are brought to conservators? We buy fridges!"},"content":{"rendered":"

What happens when 239 boxes of stained glass and lead are brought to conservators? We buy fridges!<\/p>\n

 <\/p>\n

\"\"<\/a>
The new fridges<\/figcaption><\/figure>\n

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 of trips up to the 3rd floor laboratory. After utilizing the strength of several strong men, two carts, and an elevator, 223 boxes of glass and several large block lifted pieces were brought into what is going to be their new home for the duration of their treatment. One of the senior conservators who oversaw the unloading of our new objects, Phil Parkes, was wished luck and handed a list with all the box numbers and contents as we were left standing surrounded by piles of medieval window glass and lead.
\nGlass, by nature, is a very temperamental substance. It can become especially brittle if it has been left in a damp, cool environment, such as the ground, and is then suddenly left out to dry in the open air. Before even looking at how we would begin to examine, excavate, or clean these pieces, we needed to stabilize their environment so they would stay in the same condition they were found in.<\/p>\n

\"\"<\/a>
There is glass in there?<\/figcaption><\/figure>\n

When glass is buried, it usually corrodes, just like a piece of metal left outisde would. This will result in a loss of material and the water from the surrounding ground will fill in those gaps. If these pieces of glass were left to air dry, it is possible that they would lose the water that is helping to hold their form and crumble into dust. The onsite conservators and archaeologists that excavated these pieces knew this, so all the pieces came packed in the dirt they were found in and were sealed in clear Stewart boxes.<\/p>\n

\"\"<\/a>
Both of the fridges are two boxes deep and each box contains several pieces of glass<\/figcaption><\/figure>\n

In the ground, the temperature has very little change and is usually cooler than the air temperature. In order to mimic that and make sure there are no wild swings in temperature that could cause expansion, cracking, or a change in relative humidity in the containers, the conservation department bought two brand new refrigerator units to house all the small finds.
\nAll the boxes were checked and double checked and now sit in wait for the next stage\u2014excavation and cleaning!<\/p>\n

 <\/p>\n

Meredith Sweeney<\/p>\n

BSc Conservation Student<\/p>\n

 <\/p>\n

For more information on the process before the glass arrived at our lab click here<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"What happens when 239 boxes of stained glass and lead are brought to conservators? We buy fridges!   The new fridges When a small car arrived outside Cardiff University\u2019s John […]","protected":false},"author":996,"featured_media":200,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","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":false,"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":[28,10,36,38],"class_list":["post-194","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-objects-and-treatments","tag-archaeology","tag-conservation","tag-glass","tag-ireland","post_format-post-format-image"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4fDDX-38","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":319,"url":"https:\/\/blogs.cardiff.ac.uk\/conservation\/looking-through-the-window-glass\/","url_meta":{"origin":194,"position":0},"title":"Looking Through the Window Glass","author":"Meredith Sweeney","date":"December 8, 2016","format":false,"excerpt":"Over the past year, there has been a lot of activity centered around the treatment procedure of the Blackfriary medieval window glass. 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But in this blog post I am going to focus on why documentation for a conservator and the items they are working on are vital. 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