1.
Meteorological observations during Van der Palm cruise from Nederland to Batavia started at 1847-10-01
2.
Meteorological observations during ARUBA cruise from Hellevoetsluis to Rio de Janeiro started at 1846-11-02
Meteorological observations during ARUBA cruise from Rio de Janeiro to Batavia started at 1847-01-10
Meteorological observations during NEHALENNIA cruise from Holland to Batavia started at 1846-07-05
Meteorological observations during Van Oldenbarneveld cruise from Banjoewangie to Holland started at 1850-01-26