Electro refractometer

An electro refractometer was a device that measured the angle of light within gem types. The Bravaisian podmates Sonsigo and Munduri, who bought gems and precious metals, owned one such tool.Star Wars: The Force Awakens: The Visual Dictionary
==Appearances==
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==Sources==
*Star Wars: The Force Awakens: The Visual Dictionary 
*Star Wars: Alien Archive
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==Notes and references==
Category:Tools