Book Description

Excerpt from Lessons in Geography, Including Mathematical, Physical, and Political Geography The various things around us, of which we gain a knowledge by our senses, are objects, or forms of matter. These objects all have length, breadth, and thickness, i.e. they extend in three directions. Since objects have extension, they must have something in which to extend. This something we call space. Space. - Space is the possibility of extension; a necessary condition to the existence of matter. Solid. - A solid is a limited portion of space having extension in three directions. Material Solid. - A material solid is a limited portion of space filled with matter. Surface. - A surface is limited extension in two directions. The boundaries or limits of a solid are surfaces. Line. - A line is extension in one direction. The boundaries or limits of a surface arc lines. 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.