Publisher's Synopsis
McDuffie's Discovery of the Natural Causes for the Variations of the Magnetic Needle of the Compass is a historical scientific book written by William Anderson Guthrie in 1910. The book focuses on the discovery made by Captain John McDuffie, a Scottish explorer and navigator, who found the natural causes for the variations of the magnetic needle of the compass. The book discusses the history of the compass, the importance of the discovery, and the scientific methods used by McDuffie to make his findings. The author also provides a detailed explanation of the natural causes that affect the magnetic needle of the compass, including the earth's magnetic field and the effects of temperature and humidity. The book is a valuable resource for anyone interested in the history of navigation and the science behind the magnetic compass.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.
