Essays of the strange subtilty great efficacy determinate nature of effluviums. [electronic resource] : To which are annext New experiments to make fire and flame ponderable. : Together with A discovery of the perviousness of glass. : Also An essay, about the origine and virtue of gems. / By the Honourable Robert Boyle ... ; To which is added The prodromus to a dissertation concerning solids naturally contained within solids giving an account of the Earth, and its productions. By Nicholas Steno. ; Englished by H.O.