Pictures

 
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My Photo Gallery

Below are photos of the demonstration materials. Click on any of these thumbnails to see an enlarged image.

This is the two-stringed instrument that was passed around to each group with the worksheet. Given that my presentations were aimed at class sizes of around twenty-five, eight of these were constructed. Here is the longer one-stringed board that I used to attach to the board and to the box.  
    The flat board, painted black such that salt is easily visible.     The three-dimensional box.  
 
  The flat board attached to the long one-stringed instrument.     The three-dimensional box attached to the long one-stringed instrument.  

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This site was last updated 04/04/02