TY  - JOUR
T1  - Experiments to Determine the Difference in the Number of Vibrations Made by an Invariable Pendulum in the Royal Observatories of Greenwich and Altona
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 120
SP  - 239
EP  - 249
PY  - 1830/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1830.0020
M3  - doi:10.1098/rstl.1830.0020
AU  - Sabine, E.
ER  -