Mighty Ape can deliver this product within 1-2 business days
(usually overnight) to urban centres across Australia, and some remote areas.
using standard courier delivery
Excerpt from A Study of the Effects of Changes of Temperature on Permanent Magnetism Lamont found that if a magnet was alternately heat ed and cooled for fifteen or sixteen times between two given limits of temperature it reached a permanent state, in which it had a definite magnetic moment corresponding to a given temperature, to Which it always returned when brought to that temperature, provided its temperature has never passed outside the limits referred to above. The magnetic moments were small er, the higher the temperature. 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.