TY  - JOUR
T1  - A Letter from the Secretary of the Royal Academy of Sciences in Sweden, to Cromwell Mortimer, M. D. et R. S. Sec. concerning the Variation of the Magnetic Needle
JF  - Philosophical Transactions (1683-1775)
VL  - 47
SP  - 126
EP  - 131
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1751.0018
M3  - doi:10.1098/rstl.1751.0018
ER  -