TY  - JOUR
T1  - Geometrical Investigations concerning the Phenomena of Terrestrial Magnetism
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 125
SP  - 221
EP  - 248
PY  - 1835/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1835.0013
M3  - doi:10.1098/rstl.1835.0013
AU  - Davies, T.
ER  -