TY  - JOUR
T1  - On the Pendulum
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 120
SP  - 201
EP  - 208
PY  - 1830/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1830.0016
M3  - doi:10.1098/rstl.1830.0016
AU  - Lubbock, J.
ER  -