Crack monitors

Christine Cross <ccross1 [at] execpc__com> writes

>I am looking for information about crack monitors.

There is a nifty devise for monitoring cracks made by the Avongard
company. They cost about USD $16 ea.  They are easy to use and easy
to read.  I have used them on a concrete building with much success.

    Avongard Products U.S.A., Ltd.
    <URL:http://www.avongard.com>
    P.O. Box 7548
    Santa Monica CA 90406-7548
    800-244-7241

David Wexler
Hollywood Vaults Inc


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                  Conservation DistList Instance 14:51
                  Distributed: Tuesday, April 3, 2001
                       Message Id: cdl-14-51-002
                                  ***