TY  - JOUR
T1  - Observations on the Variation, and on the Dip of the Magnetic Needle, Made at the Apartments of the Royal Society, between the Years 1786 and 1805 Inclusive. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 1
SP  - 244
EP  - 245
PY  - 1800/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1800.0134
M3  - doi:10.1098/rspl.1800.0134
AU  - Gilpin, G.
ER  -