Title: Essays of the strange subtilty, determinate nature, great efficacy of effluviums: 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 ... To which is added the Prodromus to a dissertation concerning solids naturally contained within solids. Giving an account of the Earth and its productions
Subjects: Fire, Chemistry, Early works to 1800