When Digital camera is not so popular, light table is a good tools for examine slides and negative.But from now, I did not really need a light table; however, I can't help to have one.I use to design several light tables, such as using LED and using the glass taken from Deskjet printer.Finally, for ...By: kokpat
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from Instructables: exploring - technology - robots http://ift.tt/1Lym2yJ
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