TY  - JOUR
T1  - On the Annual Variation of the Magnetic Declination
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 22
SP  - 254
EP  - 258
PY  - 1873/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1873.0041
M3  - doi:10.1098/rspl.1873.0041
AU  - Broun, J.
ER  -
