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"His reply:
“No. Have you read The Lazy Teenager by Virtual Reality?”"
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Fri, 15 Dec 2006 11:40:54 -0500 |
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"His reply:
“No. Have you read The Lazy Teenager by Virtual Reality?”"
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Checking the progress of repair of a sandstone wall, I noticed, where
delaminated sandstone had been removed but the setting bed was still
partially in place,that the top surface of the mortar (a lime mortar) had a
smooth black surface, almost shiny. Surprised, I dug around at an adjacent
location and found the same thing. I couldn't find it in the collar joints.
Has anyone come across the same, and do you understand why?
The sandstone has a considerable iron content, and the repair was a
response to the damage caused by a failed gutter above, left unattended for
a considerable time.
--
To terminate puerile preservation prattling among pals and the
uncoffee-ed, or to change your settings, go to:
<http://listserv.icors.org/archives/bullamanka-pinheads.html>
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