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Frank S. Welsh, President
Welsh Color & Conservation, Inc. |
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P.O. Box 767
Bryn Mawr, PA 19010 |
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Telephone: 610-525-3564
E-mail: fswelsh @ welshcolor.com |
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Crossection photomicrograph of paint layers from the steel windows at the
1939 Lower Merion High School Administration Building in Ardmore, Pennsylvania .
The original light-to-medium gray finish paint is at the bottom of the image (arrow),
just above the reddish brown shop primer. |
