|Statement||by M. Duperrey ; communicated by Sir Thomas Makdougall Brisbane.|
|Series||Landmarks of science II|
|Contributions||Makdougall-Brisbane, Thomas, Sir, 1773-1860.|
|LC Classifications||Q111 .H35, QC849 .H35|
|The Physical Object|
|Number of Pages||257|
Observations on the Dip and Variation of the Magnetic Needle, and on the Intensity of the Magnetic Force; Made during the Late Voyage in Search of a North West Passage. Sabine, E Philosophical Transactions of the Royal Society of London (). . Internet Archive BookReader An Account of the Cause of the Change of the Variation of the Magnetical Needle; With an Hypothesis of the Structure of the Internal Parts of the Earth: As It Was Proposed to the Royal Society in One of Their Late Meetings. By Edm. Halley. an assistant twice in the same hour with my observations of the dip, I will give some examples; Daily Variation. - Dip. Bifilar. " In order to ascertain if there is a monthly variation of the dip in the course of the year, I began, from April, , to observe the dip in its I made observations of the magnetical intensity and. Magnetic declination, or magnetic variation, is the angle on the horizontal plane between magnetic north (the direction the north end of a magnetized compass needle points, corresponding to the direction of the Earth's magnetic field lines) and true north (the direction along a meridian towards the geographic North Pole).This angle varies depending on position on the Earth's surface and.
Norman's book gave the first lengthy treatment of magnetic dip and described a special instrument, the dipping needle, for measuring it. Norman, however, made no attempt to explain the cause of dip. In contrast to Norman's book, William Gilbert's De Magnete (), with a preface by London navigational authority Edward Wright, sought to explain. Magnetic Variation in the United States: Being a Compilation of Observations Made in America From the Year to the Present Date; [Stone, Jacob Bennett] on *FREE* shipping on qualifying offers. Magnetic Variation in the United States: Being a Compilation of Observations Made in America From the Year to the Present Date;Author: Jacob Bennett Stone. BOOK V. I. Of the dip of the magnetic needle II. Diagram showing dip of the magnetic needle in different positions of a sphere and horizons of the earth in which there is a variation of dip III. An instrument for showing by the action of a loadstone the degree of dip below the horizon in any latitude. Description of the instrument; its uses : Sabine E () Observations on the dip and variation of the magnetic needle, and on the intensity of the magnetic force; made during the late voyage in search of a north west passage. Philos Trans R Soc Lond – CrossRef Google ScholarCited by: 2.
Lloyd, H. () Account of the magnetical observatory of Dublin and of the instruments and methods of observation employed there., Dublin U.P. Macdonald, J. () Observations of the diurnal variation of the magnetic needle at Fort Marlborough, Sumatra. Phil. Trans. Roy. Soc. Lond., 86, Cited by: 5. The Bakerian Medal is one of the premier medals of the Royal Society that recognizes exceptional and outstanding science. It comes with a medal award and a prize lecture. The medalist is required to give a lecture on any topic related to physical is awarded annually to individuals in the field of physical sciences, including computer red by: The Royal Society. On the Magnet/ From Wikisource. The discovery of dip excited for many years the hope that it would be able to be used for the determination of latitude, and thus avoid celestial observations and the accompanying calculations, or be useful in thick weather, just as it was hoped to use variation to determine longitude” (Waters, The Art of Navigation, pp. ). A similar.