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16 Gilbert delivers as his Experiment, That an Electric, though duly excited and applied, will not move the flame of the lenderet Candle. Which ome will think not o eaie to be well tried with common Electricks, as Amber, hard Wax, Sulphur, and the like unctuous Concretes, that very eaily take fire: Therefore I choe to make my Trial with a rough Diamond extraordinarily attractive, which I could, without injuring it, hold as near as I pleas'd to the flame of a Candle or Taper; and though I was not atisfi'd that it did either attract the flame, as it viibly did the moak, or manifetly agitate it; yet granting that Gilbert's Aertion will contantly hold true, and o, that flame is to be excepted from the general Rule, yet this exception may well comport with the Hypotheis hitherto countenanc'd ince it may be aid, as 'tis, if I mitake not, by Kirkerus, that the heat of the flame diipates the Effluvia, by whoe means the At- tracti-