TY  - JOUR
T1  - Contributions to Terrestrial Magnetism. No. XI
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 158
SP  - 371
EP  - 416
PY  - 1868/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1868.0014
M3  - doi:10.1098/rstl.1868.0014
AU  - Sabine, E.
ER  -