Excerpt from Mental Improvement, or the Beauties and Wonders of Nature and Art: In a Series of Instructive Conversations Falls under their notic'ei, A judiciotie xii flru tor will find matter for a lefion among 'th'ofe objects, that are termed common'or infignificant. How little this is generally the cafe, may be collected from the igno rance; not of, children only; but fometimes of youth, who, although they have attained a confiderable degree of clafiical learning, are unacquainted either with' the materials of thofe things theydaily ufe, or the meth ods of manufacturing them. The form and appearance of fubfiances are fo much. 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.