TY  - JOUR
T1  - Directions for Observations and Experiments to Be Made by Masters of Ships, Pilots, and Other Fit Persons in Their Sea-Voyages
JF  - Philosophical Transactions (1665-1678)
VL  - 2
SP  - 433
EP  - 448
PY  - 1753/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1666.0009
M3  - doi:10.1098/rstl.1666.0009
ER  -