Heat & Thermodynamics

Heat & Thermodynamics
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  1. UV Flashlight and Holder Item # P2-9045
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    This amazing 9-LED ultraviolet - UV - flashlight is bright enough to cause fluorescence visible in daylight. Great for use with our UV Beads. Use it for viewing minerals, gems, glue, security markings, and many more discoveries.

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  2. Portable Blacklight Item # P2-9035
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    Portable ultraviolet light source runs on 4 AA batteries.

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