The Philosophical History and Memoirs of the Royal Academy of Sciences at Paris, or an Abridgment of All the Papers Relating to Natural Philosophy, Wh

Excerpt from The Philosophical History and Memoirs of the Royal Academy of Sciences at Paris, or an Abridgment of All the Papers Relating to Natural Philosophy, Which Have Been Publish'd by the Members of That Illustrious Society, From the Year 1699 to 1720, Vol. 3: With Many Curious Observations Relating to the Natural History and Anatomy of Animals, &C.; Illustrated With Copper-Plates Bernoulli, and mentioned in -the preceding papers, could not fail of railing the curiofity of philofophers, and efpecially thofe of the acade my, who had a fort of right to a diibovery made by one of its members. Among Other expe riments on this head, they came at length to the light which certain bodies yield, by rubbing in the dark 3 the relult whereof is as follows. As molt of thefe experiments were only made on bodies which yield light the moh: eafily, as a cat's back when rubbed againft the hair in win ter, or fugar, or fulphur pounded, 8c. There are certain conditions to be obferved. 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.