At 04:19 PM 5/21/2012, you wrote:
>Someone I know picked this up, but can't tell if it is complete, or
>how to put the
>pieces together.
>
>Clues?
>
>http://imgur.com/a/U7V0d
>
>Thanks,
>    Bill

Does this help?

http://www.abdn.ac.uk/~nph126/BSHS%20Display/BestofBritish/slides/ABDNP2009=
75a02.html

Is there a mirror visible through the window?

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