Publisher's Synopsis
Excerpt from On After-Images
After-images were first described in the De Somm'a's by Aristotle, who regarded them as closely allied to the centrally excited images of-the dre'am-state they were rediscovered and described anew by St. Augustine, and again by the Arab AI h-azan (a student of Aristotle's works) in the eleventh century. Peiresc, in describing these appearances in the seventeenth century, thought that he had discovered a new phenomenon. Among other prominent investigators to note and experiment With the images were Boyle, N ewton, Buffo-n, Goethe, the elder Darwin and Fechne'r. 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.
