An essay to shew the cause of electricity; and why some things are non-electricable : in which is also consider'd its influence in the blasts on human bodies, in the blights on trees, in the damps in mines, and as it may affect the sensitive plant, &c / In a letter to Mr. William Watson. By John Freke.

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Credit: An essay to shew the cause of electricity; and why some things are non-electricable : in which is also consider'd its influence in the blasts on human bodies, in the blights on trees, in the damps in mines, and as it may affect the sensitive plant, &c / In a letter to Mr. William Watson. By John Freke. Source: Wellcome Collection.