Excerpt from Tables Showing the Approximate Magnetic Direction and Ordinary Rate, of the Tidal Streams in the Dover Straits: And From an Offing of From 3' to 20' Off 27 Positions on the South Coast of England, for Every Half-Hour of the Tide at Dover; Also, a Table to Be Used for Correction, to Be Applied to Soundings<br><br>Physical Geography in its relation to the prevailing Winds and Currents, by John Knox Laughton, M. A. (mathematical and Naval Instructor at the Royal Naval College)<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>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.