Excerpt from Observations on the Use and Abuse of Mecurial Medicines: In Various Diseases IN detailing the changes produced upon the system by preparations of mercury, it is necessary to, premise the well known fact, that there are some individuals on whom such medicines, though continued for a con siderable length of time, have little or no perceptible influence, unless the activity of their form, or the magnitude of their dose, be calculated to excite immediate effects. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.