TY  - JOUR
T1  - Contributions to Terrestrial Magnetism, No. XI. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 16
SP  - 480
EP  - 481
PY  - 1867/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1867.0108
M3  - doi:10.1098/rspl.1867.0108
AU  - Sabine, G.
ER  -
