TY  - JOUR
T1  - Researches in Terrestrial Physics. Part II
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 141
SP  - 511
EP  - 547
PY  - 1851/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1851.0025
M3  - doi:10.1098/rstl.1851.0025
AU  - Hennessy, H.
ER  -