The mean values of the magnetic declination for parallels of latitude

1897 Journal of Geophysical Research  
Below will be oeound a thbu!ar presentation of our respective values of the mean declination. Table II is taken directly from my publication cited by Dr. van Berninclen, and it will be noticed that for ivory on• of the years given the •igures reveal the characteristic change with latitude.
doi:10.1029/tm002i004p00157-03 fatcat:beqoqkiz5fgazllstpsxuc7ugy