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and hot in Winter at the bottom of the Mines, by surer proofs than the Testimony of our Touch?
3. Whether they ever meet with places and Stones actually very hot, as Mathesius relates? And whether that spring not from the quenching of Marchasites?
4. Whether they find in the Mines any Mineral Gelly, such as the German Naturalists call Ghur? And whether in process of time it will harden into a metal, or Mineral Concretion?
5. What are the Laws, Constitutions, and Customs, Oeconomical, Political, Ethical, that are receiv'd and practis'd among the Mine-men?
6. Whether the Diggers do ever really meet with any subterraneous Dæmons; and if they do, in what shape and manner they appear; what they portend; and what they do, &c.?
7. Whether they observe in the Trees and other Plants, growing over or neer the Mine, not only, (as hath been already intimated) that the Leaves are any whit gilded or silver'd by the ascending Mineral Exhalations, but also, that the Trees or other Plants are more solid and ponderous? And if they have not also some discernable Metalline or Mineral Concretes, to be met with in the small Cavities and Pores of their substance?
8. Whether there be not Springs, and also greater Streams of Water neer the Mine, that rise, and run their whole course under ground, without ever appearing above it?
9. Whether the Subterraneous Springs do rise with any wind or determinate change of weather?
10. How much heavier the Atmosphere is at the bottom of the Mine, than at the top? And whether Damps considerably increase the weight of it?
11. Whether they find any strange substances in the Mines, as Vessels, Anchors, Fishes inclos'd in Sparr or Metal, &c.?
