Glow Testometer

Rosemary's Testometer

A Glowgem Testometer is a device that measures(E) the strength and "flavor"(E) of a Glowgem. The device is powered by the glowgem itself. A glowgem's strength corresponds to the amount of lit bars. Only strength is reliably measured(E).

Flavors are more unreliable. The inscription on the bars(E) from left to right: Dada, Sukkot, Rehab, Yonder, Water, Greet.

They were invented by Griffington.


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