Excerpt from Elements of Science and Art, Vol. 2 of 2: Being a Familiar Introduction to Natural Philosophy and Chemistry; Together With Their Application to a Variety of Elegant and Useful Arts Hitherto we have considered the action of bodies on each other 'in masses, or what is called their mechanical actions; and for this purpose it was not necessary to attend particularly to the difference in the many species or kinds of matter, which we distinguish more or less readily. But if we present bodies of different kinds to each other in proper circumstances, a certain action takes place between the minute particles of one sort of substance upon those of another sort, by which, frequently, the individual or peculiar properties of each disappear, and a new substance is formed. 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.