All the figures I have added to Wikipedia, so far as I can remember. Mostly here so I can keep an eye on them.

2001

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                                File:Lens5.png          

2002

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2003

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    File:Circle-2.png        

2004

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The following group are public domain scans from the 1911 encyclopaedia.

          


          File:Dxm-struct.png    


                                     

            File:Pulteney Bridge 2.jpg

Crystal structure diagrams. Some of these are based on the originals by mav, some are from scratch:

                           

             

2005

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        File:Longitudinal-mode.png            

Now experimenting with SVG support:

   


             

2006

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SVG versions of lens diagrams:

              File:Chromatic abberation lens diagram.svg    

   

2007

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All images drawn or taken by myself and are GFDL, except as noted.