TY  - JOUR
T1  - A Comparison of Values of the Magnetic Elements, Deduced from the British Magnetic Survey of 1891, with Recent Observation
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 79
IS  - 527
SP  - 13
EP  - 17
PY  - 1907/03/12/
UR  - http://dx.doi.org/10.1098/rspa.1907.0011
M3  - doi:10.1098/rspa.1907.0011
AU  - Ellis, W.
ER  -