TY  - JOUR
T1  - Contributions to Terrestrial Magnetism.--No. XII. The Magnetic Survey of the British Islands, Reduced to the Epoch of 1842-5. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 18
SP  - 532
EP  - 532
PY  - 1869/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1869.0090
M3  - doi:10.1098/rspl.1869.0090
AU  - Sabine, E.
ER  -