A simple solution I have used with Scouts and museum visitors is to draw an analemmatic dial for your approximate latitude on a small piece (say 4"x4") of wood or "Foamcore."  Surround the ellipse with a circle divided as a compass.  Use a hatpin or a toothpick for a vertical gnomon, and set the dial so it reads the correct time.

     Bill Walton
     Plymouth,  MA, USA
     42 N   71 W

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