New and curious observations on the art of curing the venereal disease. And the accidents that it produces in all its degrees, explicatd by natural and mechanical principles, with the motions, actions and effects of mercury, and its other remedies. Wherein are discovered o the same subject the errours of some authors, and the most notorius cheats of empiricks, mountebanks, and generally of ignorant pretenders, and impostors. Written in French by Monsieur de Blegny, chirurgeon in ordinary to the French queen. Englished by Walter Harris, Doctor of Physick, lately Fellow of New College in Oxford. With several approbations of the most eminent doctors and chirurgeons in Paris.