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Date: | Tue, 21 Jun 2005 13:48:38 -0400 |
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You can also observe from cracking whether cracks are due to typical
stone stress fractures, or associated with a buried but corroding steel
reinforcing bar.
QUINN EVANS | ARCHITECTS
Ilene R. Tyler, FAIA, FAPT
219 1/2 N. Main Street
Ann Arbor, MI 48104
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www.quinnevans.com
v 734.663.5888
f 734.663.5044
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Date: Mon, 20 Jun 2005 09:56:44 -0400
From: "Judith E. Selwyn" <[log in to unmask]>
Subject: Re: ID Cast Stone vs natural?
The simple answer is yes. Sometimes it takes a second glance. Most of
the thirties stuff was made to look like limestone. In unweathered
(sheltered) areas it almost always develops a yellow cast and some black
crusting. In exposed areas, it gets more aggregate exposed.
Dr. Judith E. Selwyn
Preservation Technology Associates, Inc.
2 Center Plaza, Suite 400
Boston, MA 02108
617 598-2255
fax 617 227-5535
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----- Original Message -----
From: "John Callan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, June 19, 2005 2:34 PM
Subject: [BP] ID Cast Stone vs natural?
> Are there any readily observable differences between good 1930's cast
> stone and natural stone?
>
> -jc
>
--
To terminate puerile preservation prattling among pals and the
uncoffee-ed, or to change your settings, go to:
<http://maelstrom.stjohns.edu/archives/bullamanka-pinheads.html>
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