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 sulpher-well at Knarsbrough. With a brief account of the allom works at Whitby. Together with a return t some queries, propounded by the ingenious Dr. Dan. Foot, concerning mineral waters. To which is annexed, an answer to Dr. Tunstals 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. By William Simpson, Dr. in Physick, and practitioner at Wakefield in Yorkshire.