Thanks for writing back.  Very glad to help. 

<http://www.encyclozine.com/>
    This may take some time to investigate. 

<http://www.wordsmith.org/~anu/java/spirograph.html>
   Quite Nice.  

<http://kosmoi.com/Science/Mathematics/Graphs/Encyclo/> 
   Wow!!!  That's awesome.  Thanks so much!!  :)

    I like investigating the history of science too.  
 
   I just sent sent you an e-mail
     from yahoo, using same subject & name above
     referencing your message in its entirety

   I'd love to see simmilar sites, if you aren't too busy
   Thanks so much for writing :)
   Please do write if you have any other quandries