TY  - JOUR
T1  - A Letter from Dr. Wallis to Dr. Sloan, Secretary to the Royal Society, Concerning Some Supposed Alteration of the Meridian Line; which May Affect the Declination of the Magnetical Needle, and the Poles Elevation
JF  - Philosophical Transactions (1683-1775)
VL  - 21
SP  - 285
EP  - 286
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1699.0050
M3  - doi:10.1098/rstl.1699.0050
AU  - Wallis, D.
ER  -