1.
Meteorological observations during ECHO cruise from Paramaribo to Curaçao started at 1836-10-02
2.
Meteorological observations during ECHO cruise from Curacao to Guadeloupe started at 1837-02-25
Meteorological observations during ECHO cruise from Curacao to St. Eustatius started at 1837-04-16
Meteorological observations during VENUS cruise from Paramaribo to Curaçao started at 1841-05-04