Excerpt from Experiments and Observations on Different Kinds of Air Th1s rapid progrefs of knowledge, which, like the progrefs of a wave of the fea, of found, or of light from the fun, extends itfelf not' this way or that way only, but in all direelions, will, I doubt not, be the means, under God, of extirpating all error and prejudice, and of putting an end to all undue and ufurped author1ty in the bufinefs of re ligian, as well as of ftience and all the efforts of the interefted friends Of cor rupt efiablilhments of all kinds will be ineeeftual for their fupport in this en lightened age: though, by retarding their downfal, they may make the final ruin Of them more complete and glorious It was ill policy in Leo the Xth to patro nize polite literature. He was cherilh ing an enemy in difguife. And the Eng lith hierarchy (if there be any thing un found in its confiitution) has equal reafon to tremble even at an air-pump. 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.