Letters of Euler on Different Subjects in Physics and Philosophy - Addressed to a German Princess Vol 2 of 2 by Leonhard Fuler 
Like New 
Excerpt from Letters of Euler on Different Subjects in Physics and Philosophy, Vol. 2 of 2: Addressed to a German Princess Why does the Magnetic Needle affect, in every Place of the Earth, a certain Direc tion, differing in different Places; and for what Reafon does it change, with Time, at the fame Place? 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.