TY  - JOUR
T1  - Contributions to Terrestrial Magnetism. No. X
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 156
SP  - 453
EP  - 543
PY  - 1866/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1866.0020
M3  - doi:10.1098/rstl.1866.0020
AU  - Sabine, E.
ER  -