Open AccessReport of magnetical observations at falmouth observatory for the year 1900. Latitude 50° 9' 0" N., Longitude 5° 4' 35" W.; height, 167 feet above mean sea-level
Publication year - 1901
Publication title -
proceedings of the royal society of london
Language(s) - English
Resource type - Journals
eISSN - 2053-9126
pISSN - 0370-1662
DOI - 10.1098/rspl.1901.0070
Subject(s) - geodesy , declination , magnetometer , latitude , physics , longitude , collimator , observatory , deflection (physics) , magnetic declination , geometry , geology , optics , astrophysics , mathematics , magnetic field , earth's magnetic field , quantum mechanics
The Declination and the Horizontal Force are deduced from hourly readings of the photographic curves, and so are corrected for thediurnal variation. The results in the following tables, Nos. I, II, III, I"V, are deduced from the magnetograph curves, which have been standardised byobservations of deflection and vibration. These were made with the Collimator Magnet, marked 6 6 a , and the Declinometer Magnet, marked 66c, in the Unifilar Magnetometer No. 66, by Elliott Brothers, of London. The temperature correction (which is probably very small) has not been applied.