Excerpt from Report on the Variations of the Magnetic Intensity: Observed at Different Points of the Earth's Surface It is to France we owe the first rightly directed experimental inquiry on this subject. The instructions, drawn up by the members of the French Academy Of Sciences for the expedition of La Perouse, contain a recommendation that the time of vibra tion of a dipping needle should be observed at stations widely remote, as a test of the equality or difference of the magnetic intensity; suggesting also with a ...
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Excerpt from Report on the Variations of the Magnetic Intensity: Observed at Different Points of the Earth's Surface It is to France we owe the first rightly directed experimental inquiry on this subject. The instructions, drawn up by the members of the French Academy Of Sciences for the expedition of La Perouse, contain a recommendation that the time of vibra tion of a dipping needle should be observed at stations widely remote, as a test of the equality or difference of the magnetic intensity; suggesting also with a sagacity anticipating the result, that such Observations should particularly be made at those parts of the earth where the dip was greatest and where it was least. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... 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.
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