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Restoration of 1845 Ballantine & Allen Rose window
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 Posted: Sun Dec 9th, 2018 10:57 pm
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Roberto
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I posted this on a couple of Facebook restoration groups but also wanted to share it with my AGG friends who are not on Facebook. I rarely post on any format, but I'm going to make it my new year's resolution to post more often.

Anyway... this past September our studio completed the conservation of this 1845 Ballantine & Allen rose window located in Bigelow Chapel, Mt. Auburn Cemetery in Cambridge, MA, after 13 months.

In 2006, we also restored the chancel window in the chapel, both were challenging for a variety of reasons, mainly previous well intended, but shoddy, repairs, coupled with very thin glass and an extraordinary amount of cracked and broken glass. All cracked glass was repaired with copper foil.

Attached Image (viewed 70 times):

removal.jpeg



 Posted: Sun Dec 9th, 2018 10:59 pm
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Roberto
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Panel repaired with copper foil

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Panel repaired.jpeg



 Posted: Sun Dec 9th, 2018 11:00 pm
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Roberto
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Panel being re-leaded

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Panel being re-leaded.jpg



 Posted: Sun Dec 9th, 2018 11:02 pm
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Roberto
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Detail of re-leading

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detail leading.jpg



 Posted: Sun Dec 9th, 2018 11:03 pm
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Roberto
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Panel #11 before restoration

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Panel 11 before copy.jpeg



 Posted: Sun Dec 9th, 2018 11:03 pm
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Roberto
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Panel #11 after restoration

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panel 11 after.jpeg



 Posted: Sun Dec 9th, 2018 11:06 pm
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Roberto
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Overall after restoration and reinstallation

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overall after.jpg



 Posted: Sun Dec 9th, 2018 11:07 pm
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Roberto
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Detail of one panel after reinstallation.

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petal.jpeg



 Posted: Sun Dec 9th, 2018 11:08 pm
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Roberto
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Colors splattered on the wall. Just thought it was cool.

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color splash.jpeg



 Posted: Mon Dec 10th, 2018 02:37 pm
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Rebecca
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Thank you for taking the time to post, Roberto!

Rebecca



 Posted: Tue Dec 11th, 2018 02:34 am
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Don Burt
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Cool stuff. Roberto do you ever glue glass like this back together? If so, what criteria would lead you to choose glue over copper foil?



 Posted: Tue Dec 11th, 2018 06:41 pm
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Roberto
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Don,
Great question.
Personally, I really like to use copper foil for repairs, as it offers the best reversibility. In this particular case, given how thin the glass is, I probably would have used Hxtal if the window could be covered from the exterior with laminated glass to protect the Hxtal from the UV. However, that was not possible or desired by the client.
The client did not want protection glass as it would have detracted from the original architectural design and beauty of the building, and I agree with them. Additionally, the stained glass panels are installed in a cast-iron frame and even if protection glazing was a consideration, there really wasn't a good, aesthetically- pleasing way of installing it.
Mt. Auburn Cemetery has Curator of Historical Collections who insisted we use copper foil for all repairs given its reversibility. When we restored the chancel window in 2006, (Also by Ballantine & Allen-1885), we repaired 825 pieces of glass using copper foil and I must say, even standing 20 feet away from the window, the repairs are not that evident or visible, most likely due to the pattern of the window.

I believe that copper foil can eventually be affected by the elements over time as well. But to the client's point and argument, the repairs done to the chancel window in 2006 (also with no protective covering), have held up well. Perhaps too early to tell.
I am attaching a couple of close up photos of a copper foil repair from the chancel window.

Hope this makes sense.

I'll be posting more about some nice projects we have been fortunate to work on lately.

Be well my friend.
Cheers,
Roberto



 Posted: Tue Dec 11th, 2018 06:42 pm
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Roberto
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Copper fiol repair in transmitted light

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Foil repair  in transmitted.JPG



 Posted: Tue Dec 11th, 2018 06:42 pm
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Roberto
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Copper foil repair in reflected light

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Foil repair in reflected .JPG



 Posted: Tue Dec 11th, 2018 07:07 pm
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Don Burt
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Thank you for the excellent information Roberto.



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