TY  - JOUR
T1  - On a Decimal Compass Card
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 7
SP  - 381
EP  - 382
PY  - 1854/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1854.0092
M3  - doi:10.1098/rspl.1854.0092
AU  - Share, J.
ER  -
