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Walk around of gnomon.

Picture 1 of 3.

The sign reads


Gnomon

Gnomons such as this, photographed alongside rocks on the moon, helped to determine the true colors and sizes of samples captured in photos.

 
Gnomon at Franklin Institute
Time picture taken Wed Jun 27 08:12:46 2007
Location picture taken "Space Command" Gallery
Franklin Institute
Philadelphia, PA
Prev heroicrelics.org
Franklin Institute Site Index
Gnomon Gallery
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