Excerpt from Elements of Chemistry, Vol. 2 In Gravity, the metals are fuperior t0 Degreesevery o ther clafs bf fubfiances the heaviefl foi'n'l, not metallic, having a fpecific gravity to water nearly' as to I while that of the lightefi metal is as Their Opacity is alfo much greater; they have even been confidered as abfolutely opaque, as the thinnefi plates into Which they can be beat without their texture being in jured, do not trauf mit light. F mm the conjune'tion of thefe two properties, arifes another by which they are difiinguifl1ed, - that, of refieeting from their furface the greater part of the light that falls upon them. 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.