Hydrological essayes, or, A vindication of hydrologia chymica : being a further discovery of the Scarbrough spaw, and of the right use thereof, and of the sweet spaw and sulpherwell at Knarsbrough : with a brief account of the allom works at Whitby : together with a return to some queries, propounded by the ingenious Dr. Dan Foot, concerning mineral waters : to which is annexed, an answer to Dr. Tunstal's book concerning the Scarbrough spaw : with an appendix of the anatomy of the German spaw, and lastly, observations on the dissection of a woman who died of the jaundice, all grounded upon reason and experiment / William Simpson.