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Hi, Alana.  In the late 19th century microscopists would sometimes make  
special slides of diatoms arranged into geometric patterns that are  
beautiful and surprising.  Your museum has some of these, or at least  
used to when I was there.  The Museum also used to have a slide with an  
image of the signing of the declaration of independence on microfiche.   
The image is invisible to the naked eye but easily observed under the  
microscope.  You might ask around and see if anyone there knows where  
to find them.  Good luck, Chuck Howarth

On Oct 19, 2006, at 2:11 PM, Alana Parkes wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology  
> Centers
> Incorporated, a worldwide network of science museums and related  
> institutions.
> *********************************************************************** 
> ******
>
> What's your favorite thing to look at under a microscope?
>
> I have an old Wentzscope and would like to replace the 12 slides I
> have currently.  Rather than focusing on a theme (e.g., insects), I
> thought it would be more fun to have a collection of slides that are
> particularly interesting, cool, or surprising.  (The exhibit is about  
> the
> skill of observation.)
>
> While I welcome all suggestions, I will not be able to include
> living things or things that visitors bring in (that microscope is in
> the neighboring exhibit).  The magnification of the scope is 125x.
>
> Thanks for your ideas!
>
> Alana Parkes
> Exhibit Developer
> Museum of Science
> Boston, MA
> [log in to unmask]
>
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