Check the listing for details. Water Drop Lens MICROSCOPE 1945 How-To PLANS simple Science Fair Project. Condition: Used. Listed at 5.89 USD. Plans to build a Liquid Lens Microscope. An excellent project for the Science Fair. Up to 50 power or better using a drop of water as the lens. Use glycerine for the liquid lens and the magnifying power will approach 100X.
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