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Rh burnt quite black, and though it were grown trangely brittle in comparion of Amber, o that they who believe the vertue of attracting light Bodies to flow from the ubtantial form of Amber, would not expect it in a Body o changed and deprived of its noblet parts: Yet this Caput mortuum was o far from having lot its Electrical Faculty, that it eemed to attract more vigorouly than Amber it elf is wont to do before it be committed to Ditillation.

And from the foregoing Instances afforded us by the Glas of Antimony, we may learn, that when the form of a Body eems to be detroyed by a fiery Analyis that diipate's the parts of it, the remaining ubtance may yet be endowed with Electricity, as the Caput mortuum of Amber may acquire it; as in the cae of the Glas of Antimony made of the Calx and of the Flowers. And from the econd Example above-mentioned, and from common Glas which is Electrical, we may alo learn,