Guide to the Chalybeate Spring of Thetford: Exhibiting the General and Primary Effects of the Thetford Spa, Rules Essential to be Observed Whilst Taking a Course of the Waters, an Account of the Diseases in which it Will Most Probably be Found in Efficacious, Cautionary Hints Against the Indiscriminate Use of this Water in Diseases to which it is Inapplicable, and Testimonials of Medical Men ...